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Imperator Typewriter Serial Numbers Imperator Typewriter Serial Numbers for all Imperator typewriter models. Imperator Typewriter Serial Numbers for models: 2024-10-27 06:22 Look up Imperator Typewriter Serial Numbers to find the ages for Imperator typewriter models: Find out how old your typewriter is. Look up Imperator Typewriter Serial Numbers to find the ages for Imperator typewriter models:

Imperator Typewriter Brand Notes

Precursor of Urania Model 7

Imperator Typewriter Serial Numbers

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Also known as Brand: Urania • Aristokrat • Concordia (Urania) • Gallia • Haddad • Imperator • Merkur • Saleem • Ujlaki • Urdu

Serial Number Table Last Edited: 10/27/24 06:22
NOTE: dates shown are JAN 1 unless noted, so the serial number shown is the *first* serial number produced the given year. Exceptions are serial numbers preceded by "up to"(where you can assume that the numbers reported in that subsection are DECEMBER 31, END OF YEAR NUMBERS) or rows where a month is given in the month column. If the serial number is shown as a range (xxxx-xxxx) it indicates that we know the entire range of serial numbers for the given year.

Urania          
        Clemens Mueller A.G., Dresden, Germany. Production continued after WWII by VEB Typewriter Factory in Dresden. 24
Platen Diameter       Standards: 44.5mm from factory, Minumum 44mm.
Portables: 32.3mm		 24
Serial Number Location       Standards: Right side of machine frame, seen from above, directly under carriage. After #300,000 - on back of machine.
Portables: Right side of frame under carriage.		 24
Models and s/n Y M D Remarks Ref.
           

Standards

  
           
Model 1          
up to 1000 1909     Before WW1, the machine was sold as "Gallia" and "Ujlaki", later on in Denmark as "Merkur", in Germany as "Concordia". "Haddad" is identical to Urania as well. 7,9,13, 24
2500 1910       7,9,13, 24
3624 1911       7,9,13, 24
           
Model 2          
up to 5000 1912     Two-colour ribbon 4,7,9,13, 24
6000 1913       7,9,13, 24
8500 1914       7,9,13, 24
           
Model 3          
from 8501 1915     Two shift keys 4,7,9,13, 24
up to 11000 1916       7,9,13, 24
13500 1917       7,9,13, 24
15000 1918       7,9,13, 24
17500 1919       7,9,13, 24
20000 1920       7,9,13, 24
36000 1921       7,9,13, 24
           
Model 4          
up to 42000 1922       7,9,13, 24
49000 1923       7,9,13, 24
55000 1924       7,9,13, 24
           
Model 5          
up to 60000 1925       7,9,24
80000 1926       24
100000 1927       24
103000 1928       24
107500 1929       24
109000 1930       24
140000 1934       24
143000 1936       24
           
Model 6          
up to 80000 1926     Five different row space positions, 45 keys 4,7,9,13
100000 1927     Model 6 was sold in a simplified version "Simplex" as well 4,7,9,13
103000 1928       7,9,13
107500 1929       7,9,13
109000 1930       7,9,13
120000 1932       10
140000 1934       7,9,13
143000 1936       7,9,13
           
Model 7          
up to 120000 1931     Carriage can be exchanged, 46 keys 4,7,9, 13,24
125000 1935       7,9,13, 24
           
Model 8          
up to 200000 1936     Closed casing with glass panels 7,9,13, 24
206000 1937       7,9,13, 24
214000 1938       7,9,13, 24
230000 1939       7,9,13, 24
242000 1940       13,24
250000 1941       13,24
258000 1942       13,24
264000 1943       13,24
301000 1947       13,24
306000 1949       13,24
308843 1950     Production stopped. 24
           
Model 9          
up to 312000 1950       13,24
323000 1951       13,24
335000 1952       13,24
342000 1953     Production stopped. 13,24
           
Model 9a          
350001-354160 1954     Model 9a started with s/n 350000, 4160 produced. 24
           

Portables

  
           
Uranina-Steno          
100001-100999 1920-1934       7
           
Vega          
1001-1300 1920-1934       7
           
Piccola       Derived from the Perkeo. 24
70000 1925       7,9,13, 14,24
72000 1926       7,9,13, 14,24
75000 1927       7,9,13, 14,24
77500 1928       7,9,13, 24
80000 1929       7,9,13, 14,24
85000 1930       7,9,13, 14,24
95000 1931       7,9,13, 14,24
105000 1932       7,9,13, 14,24
115000 1933       7,9,13, 24
125000 1934       7,9,13, 14,24
140000 1935       7,9,13, 14,24
152000 1936       14
           
Klein-Urania          
up to 154000 1935       7,13,24
154000-160000 1936       7,13,24
160000-167000 1937       7,13,24
167000-175000 1938       7,13,24
175000-186000 1939       7,13,24
186000-194000 1940       13,24
194000-400000 1941     Serial number reset? 7,9,13, 24
400000-409000 1942       7,9,13, 24
409000-417000 1943       7,9,13, 24
417000-422000 1947       7,9,13, 24
422000-423000 1949     Production ended 7,9,13, 24

Reference numbers

* Indicates source data the current list maintainer has access to. Usually it means we have a copy of the document in question, but it might be in the form of a later edition list. However, for the purposes of validation we have been able to confirm the source.

   
No. Literature
1 * Century of the Typewriter, Wilfred A. Beeching, publ. by the British Typewriter Museum, 1974, 1990, ISBN 0951679007
2 * Joan Sales,"Date your Underwood Typewriter" - Website : http://www.oocities.org/heartland/cottage/5405/serial.htm, reference to Richard Polt
(note: The source for this article was at least partially Ref. #18)
3 Allowance Sheet 1918, made available by Andrew B. Schrader
4 Ernst Martin, Die Schreibmaschine und ihre Entwicklungsgeschichte(The Typewriter and the history of it's developement), publ. by Johannes Meyer Verlag and Basten International, 1920 to 1949 and reprints
5 * Darryl Rehr, Antique typewriters, by Schroeder publishing, Los Angeles, 1997, ISBN 0891457577
see: http://home.earthlink.net/~dcrehr/book/book.html
6 * Typewriter Age Guide, publ. by Office Machines and Equipment Federation, London, copies contributed by Mr. Bruce Beard, Australia
(note: this reference same as #28)
7 * "Liste der Herstellungsdaten gangbarer Schreibmaschinen" Listing of the production dates of commen typewriters), publ. by Wochenschrift für Papier, Otto Hoffmann Verlag, 1941, Berlin, copies contributed by Mr. Paul Roberts, Netherlands. Current copy from the collection of Ryk van Dijk, scanned by Marlies Louwes.
8 * Richard Polt, adapted from the book of Paul Lippman, American Typewriters: A Collector's Encyclopedia (1992) and corrected, based on a list publ. in ETCetera #4
see: http://www.aquaporin4.com/etcetera/ETC.04.pdf
9 "Fabriknummernverzeichnis" (Factory number Listing), booklet which could be purchased optionally with book reference No. 4, edition 1941, publ. by Johannes Meyer Verlag, Pappenheim 1941
10 "Fabrikationsdaten von Schreibmaschinen", listing of typewriter serial numbers for dealer's, 1942 and 1935, publ. by Carl Teege Verlag, Hamburg
11 Ames Supply General Catalog from 1949
12 Information contributed by Will Davis, see : http://www.hometown.aol.com/page3.html
13 Liste der Herstellungsdaten deutscher und auslaendischer Schreibmaschinen, 10 Auflage, 1955, publ. by Burghagen Verlag, Hamburg (small book, pre-owned by the Adler Werke vorm. Heinrich Kleyer, Frankfurt)
14 * Leonhard Dingwerth, Kleines Lexikon Historischer Schreibmaschinen (Small Lexicon of Historical Typewriters), publ. by Kunstgrafik Dingwerth, Eichendorffstr. 77, D-33415 Verl
15 * Office Typewriter Age List No. 26, publ. by Smith-Corona, by courtesy of Mr. Ron Fuller, Los Angeles, USA
(note: this reference same as #22)
16 * American Typewriters - A Collector's Encyclopedia by Paul Lippman, 1992, Hoboken
17 * National Office Machine Dealers Assoc. "Blue Book" (NOMDA), 1964, provided by Bill Wahl
18 * Remington Information Binder (The Sheridan Binder), 1950's to 1970's, provided by Richard Polt.
see: http://munk.org/typecast/2011/09/07/in-preparation-for-an-updated-typewriter-serial-number-database-royal-portables/
19 * Interview with P. Birchmeier, Aug. 2012, reported by Georg Sommeregger.
see: http://groups.yahoo.com/group/theportabletypewriterforum/message/31895
20 * National Office Machine Dealers Assoc. "Blue Book" (NOMDA), 1980, provided by Bill Wahl.
see: http://munk.org/typecast/2011/04/22/national-office-machine-dealer-association-1972-typewriter-age-guide/
21 * VOSS Schreibmaschinen, 2012, published by Georg Sommeregger.
see: https://www.sommeregger.name/typewriters/collection/VOSS.html
https://www.sommeregger.name/typewriters/collection/voss_52.html
https://www.sommeregger.name/typewriters/collection/voss_24_typewriter.html
https://www.sommeregger.name/typewriters/collection/voss_klein_voss.html
https://www.sommeregger.name/typewriters/collection/voss_privat.html
22 * Smith-Corona Age List #26, 1960, provided by Bill M.
see: http://offountainpenstypewriters.blogspot.com/2012/02/typewriter-serial-numbers.html
and: http://offountainpenstypewriters.blogspot.com/2012/02/moretypewriter-serial-numbers.html
23 * Shipman-Ward Office Machine Dealer's Line Book, Jan 1, 1954, provided by Bill Wahl.
see: http://munk.org/typecast/2013/01/05/shipman-ward-dealers-line-book-1954%E2%80%93part-2-age-lists/
24 * H.F.W. Schramm, Liste der Herstellungsdaten deutscher und ausländischer Schreibmaschinen, 11th edition, Hans Burghagen Verlag, Hamburg 1962 - copy provided by Georg Sommeregger. Additional copy from the collection of Ryk van Dijk, scanned by Marlies Louwes.
25 * P. Frensel, Die Entwicklung der ehemaligen DDR-Schreibmaschinen-Produktion (einschliesslich der bis 1945 produzierten Schreibmaschinen in diesem Gebiet sowie der Produktion ab 1990), in: Schreibmaschinen- und Bureau-Zeitung, Nr. 10/1999, Nr. 11/2000, Nr. 12/2000 (originally published in: Mannheimer Hefte für Schriftvergleich, Nr. 1-2/1999) - provided by Georg Sommeregger and later by Otto Koponen
"The development of the former GDR typewriter production (including typewriters produced on its territory until 1945 and production after 1990)"
26 * "The Writing Machine (A history of the typewriter)" Michael H. Adler
27 * "Antique Typewriters from Creed to QWERTY" Michael H. Adler
28 * Typewriter Age Guide, publ. Dec 1973 by Office Machines and Equipment Federation, London, copies contributed by Mr. Peter Brill, Australia
(note: this reference same as #6)
29 * Typewriter Age Guide, publ. Oct 1971 by Office Machines and Equipment Federation, London, copies: T. Munk with the assistance of Mr. Rob Bowker, UK
30 * Typewriter Age Guide, publ. Oct 1980 by Office Machines and Equipment Federation, London, copies: T. Munk with the assistance of Mr. Rob Bowker, UK
31 * The Business Machines and Equipment Digest, publ. 1927 by Equipment-Research Corporation, copy contributed by Mark Adams.
see: http://type-writer.org/?p=2850
32 * R. Blickensderfer and P. Robert, "The Five-Pound Secretary. An Illustrated History of the Blickensderfer Typewriter", publ. 2003 by The Virtual Typewriter Museum, excerpt contributed by Georg Sommeregger.
33 * Matricolario Olivetti, copy contributed by Enrico Morozzi.
34 * Olivetti Graphika Serial Number List, compiled by Domenico Scarzello.
See: http://www.typewriterstory.com/index.php/ol-graphica
35 * Liste der Herstellungsdaten deutscher und auslandischer Schreibmaschinen - 1950. By Carl Teege, Published by Hans Burghagen Verlag. From the collection of Ryk van Dijk, scanned by Marlies Louwes.
36 * Liste der Herstellungsdaten deutscher und auslandischer Schreibmaschinen - 1953. Published by Hans Burghagen Verlag. From the collection of Ryk van Dijk, scanned by Marlies Louwes.
37 * National Typewriter and Office Machine Dealer's Association (NOMDA) Typewriter and Adding Machine Allowance Schedule, February 1, 1941. From the Collection of Tony Casillo, contributed by Richard Polt.
38 * Wyckoff, Seamans & Benedict. Remington Standard typewriter. New York : Wyckoff, Seamans & Benedict, [188-?], accessed from the Baker Library, Harvard Business School.
See: http://pds.lib.harvard.edu/pds/view/2574435
39 * Documented Hammond Serial Numbers, V.4 Jan. 1, 2013 through V.7 Jul 20, 2017, Compiled by Peter Weil.
40 * Blick Billheads With Serial Numbers, Compiled by Peter Weil.
41 * Olympia, USA "Allowance Sheet T-58" (approx 1977). From the Collection of Tony Casillo, contributed by Richard Polt.
42 * IBM Typewriters Serial Numbers 1946 to 1977, Montreal Branch - IBM Canada Ltd. Contributed to Yahoo GolfBallTypewriterShop group by Jacques Coulombe.
43 * Xerox Factbook 1987
See: http://simson.net/ref/Xerox/
44 * IBM Selectric Adjustment & Parts Manual S241-5939-2
45 * Brother Service Update #31, June 20, 1985
See: http://munk.org/typecast/wp-content/uploads/2014/05/brother-datecodes-1.jpg
46 * Brother Letter #0203 (10/1979) "How to Determine In-Warranty Typewriters"
See: http://munk.org/typecast/wp-content/uploads/2014/05/brother-warranty-3.jpg
47 * Brother Service Manuals and Addendums 1974-1990 "The Edsel R. Sanders Collection"
See: http://munk.org/typecast/2014/05/06/a-brotherly-bonanza/
48 * National Typewriter and Office Machine Dealer's Association (NOMDA) Typewriter and Adding Machine Allowance Schedule, 1977. From the Collection of Tony Casillo, contributed by Richard Polt.
49 * Brother Group Corporate Profile, 2014
See: http://download.brother.com/pub/com/en/corporate/pdf/2014/broa4_3334_en.pdf
50 * Victor Standard Typewriters, By Will Davis
See: http://web.archive.org/web/20090830084402/http:/geocities.com/wbd641/Victor.html
51 * Die historische Entwicklung des Bet riebes Optima Erfurt (2008), by Eberhard Lippmann. Contributed by Vilhelm Dromberg
52 * Corona: The Personal Writing Machine, by S. L. Johnson
See: http://www.sljohnson.net/typewriter/corona.html
53 * Standard Folding Typewriter by Richard Milton
See: http://www.portabletypewriters.co.uk/portable_typewriters_standard_folding.htm
54 * Collect Folding Coronas, by Paul Lippman
See: http://etconline.org/backissues/ETC004.pdf?page=4
55 * Smith-Corona Parts and Service Manuals (1947-1999) lent by Bill Wahl
56 * Europe - Oliver - SIM - MAS small typewriters, by Georg Sommeregger.
See: https://sommeregger.name/typewriters/collection/OLIVER_SIM_MAS.html
57 * The Montana line of Hermes clones, by Mark Adams.
See: http://type-writer.org/?p=3598
58 * The Hermes Baby page!, by Georg Sommeregger.
See: http://www.typewriters.ch/collection/hermes_baby.html
59 * American Digest of Business Machines, 1924. Contributed by Richard Polt.
See: http://site.xavier.edu/polt/typewriters/ADBM1924.pdf
60 * "MTE-INV" Mesa Typewriter Exchange Stock Inventory Records 1950 to 1987. Contributed by Bill Wahl.
61 * "Mechanical Typewriters - Their History, Value, and Legacy" by Thomas A. Russo.
62 * "The IBM Model B typewriter" by IBM.
See: https://www-03.ibm.com/ibm/history/exhibits/modelb/modelb_intro.html
63 * "Remington Portables" by Richard Polt.
See: http://site.xavier.edu/polt/typewriters/rem-portables.htm
64 * "Moskva and Janalif Research" by Alex Sandler. (plus updates)
See: https://goo.gl/I5X12b, https://goo.gl/z0tSOq, https://goo.gl/4iq9Tz http://odtype.blogspot.com/2016/10/moskva-3-and-4-age-lists-as-of-ix2016.html, http://odtype.blogspot.com/2017/02/moskva-5-6-and-7-age-lists.html
65 * "Collector's Guide to Antique Typewriters" Dan Post, Post-Era Books, 1981.
66 * "The Unknown Writing Machine" Don Sutherland in The Antique Trader, 1978.
67 * "Don't Mind My Insanity: Updated Fox Serial Numbers" by Tyler Anderson.
See: https://wordsarewinged.blogspot.com/2016/06/dont-mind-my-insanity-updated-fox.html
68 * "A Very Good Year for Adler Favorit 2's" by Robert Godlieb.
See: http://badonoer.blogspot.com/2016/01/a-very-good-year-for-adler-favorit-2s.html
69 * "FBI Forgery by Typewriter: Re-Examining the Alger Hiss Case - How Did His 1927 Woodstock Become a 1929 Model?" by Robert Messenger.
See: http://oztypewriter.blogspot.com/2016/01/fbi-forgery-by-typewriter-re-examining.html
70 * "The Littlest Typewriters: Bennett's Bantamweights" by Robert Messenger.
See: http://oztypewriter.blogspot.co.uk/2012/02/littlest-typewriters-bennetts.html
71 * "Re: [TYPEWRITERS] Bennett Typewriter on Yahoo Typewriter Forum" by Thomas Furtig.
72 * "Sabb Schreibmaschine" by Georg Sommeregger.
See: http://www.typewriters.ch/blog/2016/06/sabb-schreibmaschine/
73 * "Discovering the Studio Musicwriter" by Theodore Munk.
See: Etcetera #109 (link when available)
74 * "The Story of the Typewriter 1873-1923" Herkimer County Historical Society, 1923.
75 * "The Early History of the Typewriter" by Chas. E Weller (1918).
76 * "Old Typewriters" by Duncan James (Shire, 1993).
77 * "Williams Typewriter Research" by Tyler Anderson, 2016.
78 * "The History of the Typewriter" by Geo. Charles Mares (Gilbert Pitman, London, 1909).
79 * "Emerson Typewriter Research" by Tyler Anderson & Peter Weil, 2016.
80 * "The Emerson: The Enigma of Typewriters" by Robert Messenger.
See: http://oztypewriter.blogspot.com/2013/07/the-emerson-enigma-of-typewriters.html
81 * "A History of the Three-Row 'WILLIAMS' Typewriters" by Richard E. Dickerson in Historische Bürowelt No. 21 April 1988, and No. 22 July 1988.
82 * "Typewriter Topics: Vol. 50-52 1922" by The International Office Equipment Magazine.
83 * "Typewriter Topics: Vol. 6-7 1907" by The International Office Equipment Magazine.
84 * "Typewriter Topics: Vol. 38-40 1918" by The International Office Equipment Magazine.
85 * "Typewriter Topics: Vol. 41 1919" by The International Office Equipment Magazine.
86 * "Typewriter Topics: Vol. 29-32 1915" by The International Office Equipment Magazine.
87 * "The Victor Standard Typewriter" by Will Davis.
See: http://davistypewriters.blogspot.com/2015/05/the-victor-standard-typewriter.html
88 * "On This Day in Typewriter History: Trying to Unravel the Victor Mystery" by Robert Messenger.
See: http://oztypewriter.blogspot.com/2012/11/on-this-day-in-typewriter-history_6.html
89 * "The Franklin Typewriters" by Richard E. Dickerson in ETCetera #1 October, 1987.
See: http://etconline.org/backissues/ETC001.pdf
90 * "On This Day in Typewriter History (CVI)" by Robert Messenger.
See: http://oztypewriter.blogspot.com/2011/09/on-this-day-in-typewriter-history-cvi.html
91 * "the Garbell Portable Typewriter" by The Garbell family.
See: http://www.garbell.com/GarbellTypewriter.html
92 * "Garbell Typewriter" by Greg Fudacz.
See: http://www.antikeychop.com/#!garbell-typewriter/us0eg
93 * "Fox Visible Typewriters - An Overview " by Will Davis.
See: http://davistypewriters.blogspot.com/2015/08/fox-visible-typewriters-overview.html
94 * "Fox Portable Typewriters and the Demise of Fox Typewriter Company " by Will Davis.
See: http://davistypewriters.blogspot.com/2015/08/fox-portable-typewriters-and-demise-of.html
95 * "The American Stationer" 1906.
96 * "The American Stationer" 1907.
97 * "Franklin Typewriter Ephemera" collected by Peter Weil, 2016.
98 * "A Bennington Letter" collected by Martin Howard.
See: http://etconline.org/backissues/ETC082.pdf
99 * "Filing & Office Management Magazine" Volume 6, 1921.
100 * "Filing & Office Management Magazine" Volume 7-8, 1922.
101 * "Typewriter Topics: Vol. 35-37 1917" by The International Office Equipment Magazine.
102 * "Typewriter Topics: Vol. 44-46 1920" by The International Office Equipment Magazine.
103 * "On This Day in Typewriter History: Unearthing the Molle" by Robert Messenger.
See: http://oztypewriter.blogspot.com/2013/01/on-this-day-in-typewriter-history_9569.html
104 * "It's pronounced 'Mollie'" by Mark Adams.
See: http://type-writer.org/?p=4230
105 * "The Iron Age, Volume 79 - 1907".
106 * "Office Appliances Volume 36 - July 1922".
107 * "Office Appliances Volume 34 - July 1921".
108 * "The American Pocket Typewriter and Wellington Parker Kidder's Rochester" by Robert Messenger.
See: http://oztypewriter.blogspot.com/2014/07/the-american-pocket-typewriter-and.html
109 * "Crouching Tiger, Hidden Details - The early days of the Noiseless Typewriter" by Ed Neuert.
See: http://etconline.org/backissues/ETC081.pdf
110 * "The Merritt" by Will Davis.
See: http://davistypewriters.blogspot.com/2016/09/merritt.html
111 * "Yatran The Heaviest" by Alex Sandler.
See: http://odtype.blogspot.com/2016/09/yatran-heaviest.html
112 * "Moskva 3 and 4 age lists as of 10-2016" by Alex Sandler.
See: http://odtype.blogspot.com/2016/10/moskva-3-and-4-age-lists-as-of-ix2016.html
113 * "Portable Typewriters Today - February 2015" by Will Davis.
See: http://davistypewriters.blogspot.com/2015/02/portable-typewriters-today-february-2015.html
114 * "The Early Bar-Lock" and "Bar-Lock Typewriters - Models 4 to 15" by Bert Kerschbaumer.
See: ETCetera #98 & #114
115 * "AMES Supply General Catalog #10 - March, 1960".
116 * "AMES Supply Parts Catalog #11P - Feb., 1965".
117 * "The Amazing Masspro Portable Typewriter: 'Grandson' of the Standard Folding" by Robert Messenger.
See: http://oztypewriter.blogspot.com/2013/10/the-amazing-maspro-portable-typewriter.html
118 * "Masspro Typewriter Page" by Greg Fudacz.
See: http://www.antikeychop.com/masspro-typewriter
119 * "Carl P. Dietz Collection of Typewriters", by George Herrl, 1965.
120 * "Royal Paint Touch-Up Color List", Rev. June, 1968.
121 * "Olympia SM series (part 1, 1948-1964)" by Nick T.
See: http://xoverit.blogspot.com/2015/02/olympia-sm-series-part-1-1948-1964.html
122 * "Olympia SM series (part 2, 1964-1980s)" by Nick T.
See: http://xoverit.blogspot.com/2015/04/olympia-sm-series-part-2-1964-1980s.html
123 * "AMES Supply General Catalog #5 - August, 1940".
124 * "1975 Smith-Corona Model Prefix Guide", Discovered by Jonathan Kinser from Smith-Corona research.
125 * "Evolution of the Typewriter", C. V. Oden, 1917.
126 * "1912-1923 The Origins and Evolution of the Typewriter" Various Authors.
127 * "The Swedish Densmore Typewriter" by Robert Messenger.
See: http://oztypewriter.blogspot.com/2015/03/the-swedish-densmore-typewriter.html
128 * "All or Nakajima" by Steve K.
See: https://etzone.org/2017/06/17/all-or-nakajima
129 * Smith-Corona Series Estimates researched by Nick Bodemer, 2017
130 * Research by Peter Weil, and ephemera from The Cornelia and Peter Weil Typewriter Archives
131 * 1963 Hermes Baby Adjustment Manual B3, from the collection of T. Munk
132 * Underwood Age List, from the collection of Tony Casillo
See: http://www.typewritercollector.com/images/underwoodagelist.pdf
133 * 1966 & 1971 Hermes 3000 Adjustment Manuals G4,G6 & 1971, from the collection of Jacques Perrier, Museum of the Typewriter, Lausanne, Switzerland
See: https://www.perrier-sa.ch/musee/boutique/
134 * "Korean Typewriters" by Robert Messenger.
See: http://oztypewriter.blogspot.com/2012/01/korean-typewriters.html
135 * 1985 IBM Replacement Guide Form 71K6222, supplied by Clark Hinson from the collection of Roger Brockevelt
136 * "Blickensderfer’s last hurrah as a Remington" by Mark Adams.
See: https://type-writer.org/?p=4294
137 * Blickensderfer Research by Peter Weil, 2017
138 * Etcetera #106-107
139 * "Briefly Blick-Bar" by Robert Messenger.
See: http://oztypewriter.blogspot.com/2016/01/briefly-blick-bar.html
140 "Lexikon historischer Schreibmaschinen seit 1940" (Typewriter Lexikon since 1940) published 2008 by Leonhard Dingwerth.
141 * "Olivetti macchine per scrivere meccaniche" published 2013 by Carlo Torchio.
From the collection of Carl Hartmann via Mario Bellini
142 * "The ABC in Detail" by Will Davis and Thomas Fürtig.
See: http://davistypewriters.blogspot.com/search?q=abc+in+detail
143 * "The Real Story of the Brosette Typewriter and its successor the Jaykay Portable" by Michael A. Brown.
See: http://typexnews.com/links/Brosette.pdf
144 * "A Royal Safari at Eighteen Years on the Net" by Will Davis.
See: https://davistypewriters.blogspot.com/2018/03/a-royal-safari-at-eighteen-years-on-net.html
145 "The typewriter industry, The impact of a significant technological innovation" 1970 doctoral dissertation by George Nichols Engler, UCLA.
See: https://archive.org/details/TheTypewriterIndustry
146 * Research by Ian Brumfield
147 * Typewriter pages from Sears Catalogs: 1900-1985 From the collections of Alan Seaver (mostly), Nick Bodemer and T. Munk.
148 * "Ten Most Wanted Typewriters" by Richard Polt.
See: https://site.xavier.edu/polt/typewriters/tw-10mw.html
149 * Messa Research by Carl Hartmann.
150 * "The Dawn of the Lettera 22" by John Cooper.
See: https://atypeofmadness.com/2019/02/12/the-dawn-of-the-lettera-22
151 * "Litton Drags its Caravan Through the Typewriter Desert" by Robert Messenger.
See: https://oztypewriter.blogspot.com/2019/03/litton-drags-its-caravan-through.html
152 * "Typewriter review: 2019 Royal Classic" by Richard Polt.
See: https://writingball.blogspot.com/2019/03/typewriter-review-2019-royal-classic.html
153 * "GENERATION 3000" by Will Davis.
See: http://www.willdavis.org/Generation3000.html
154 * "Everything New in Portable Typewriters is Old Again" by Robert Messenger.
See: https://oztypewriter.blogspot.com/2013/12/everything-new-in-portable-typewriters.html
155 * "Pretentious Self-Indulgence, and Also Some Pretty Big Breakthroughs" by Ian Brumfield.
See: http://dailyclipper.retroid.xyz/2019/07/16/pretentious-self-indulgence-and-also-some-pretty-big-breakthroughs
156 "1965-1969 Royal Line Catalog" from the collection of Ian Brumfield.
157 * "Harris Visible, Rex Visible, Demountable; Name variants; Vim Visible" by Will Davis.
See: https://davistypewriters.blogspot.com/2015/01/harris-visible-rex-visible-demountable.html
158 * "1973 NOMDA Blue Book" by National Office Machine Dealers Association.
159 * "Olympia Engineering Bulletin General-3" by ITC, Jan 1, 1969.
160 * "IDENTIFYING AND DATING ANTIQUE CALIGRAPH WRITING MACHINES Nos. 1-4" by Al Sumrall.
See: https://oldhoodooblog.wordpress.com/2020/03/20/identifying-and-dating-antique-caligraph-writing-machines-typewriters-nos-1-4/
161 * "Some Type Writers - Their Origin and Uses" By J. B. Huling in Scientific American #575 - January 8, 1887.
162 * "Typewriter, A Celebration of the Ultimate Writing Machine" by Paul Robert and Peter Weil, 2016.
163 * "The Caligraph Publications" by Paul Robert.
164 * "Magic, Maligners and Malfunctions. Part IV – the Waverley, Maskelyne, Rapid, Salter and Many More." by Robert Messenger.
See: https://oztypewriter.blogspot.com/2020/07/magic-maligners-and-malfunctions-part.html
165 * "Burroughs Adding Machine Company - Typewriters"
See: http://www.burroughsinfo.com/typewriters.html
166 * "Hall Typewriter Serial Numbers" by Al Sumrall
167 * LC Smith and Corona Service Bulletins (1939-1954) From the collection of T. Munk
168 * "Research on Halberg" by Theo Verkerk
See: https://www.facebook.com/groups/TypewriterCollectors/permalink/10157289533199678/
https://www.facebook.com/groups/TypewriterCollectors/permalink/10157248994634678/
https://www.facebook.com/groups/TypewriterCollectors/permalink/10157259808104678/
169 * Royal Royalite Parts Manuals 1955-1965 From the collection of T. Munk
170 * "FRISTER & ROSSMANN TYPEWRITERS"
See: https://www.fiddlebase.com/frister-rossmann/f-r-typewriters/
171 * Dial-a-Ribbon & Typing by Numbers
See: https://etzone.org/2022/05/05/dial-a-ribbon-typing-by-numbers
172 * etzone - a summary of Sharp's electronic daisy wheel models
See: https://etzone.org/sharp-2/
173 * etzone - a summary of Canon's electronic daisy wheel models
See: https://etzone.org/canon/
174 * etzone - a summary of Nakajima All's electronic daisy wheel models
See: https://etzone.org/nakajima-all/
175 * "Nakajima Model 800 Typewriter: The most surprising machine of ALL" by Robert Messenger
See: https://oztypewriter.blogspot.com/2012/07/nakajima-model-800-typewriter-most.html
176 * Établissements Japy Frères, Historique et technologie des machines à écrire, [1946]
From the collection of Georg Sommeregger
177 *Leeftijdslijst van Schrijfmachines [1958]
From the collection of Robert Godlieb

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