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Typo (Imperial) Typewriter Brand Notes

Typo (Imperial) typewriter serial number age list, Typo (Imperial) typewriter model list Typo (Imperial) information

Typo (Imperial) Typewriter Serial Numbers

Brand: Imperial Also known as AjaxBritonGood CompanionImperial (Silver-Seiko)Simpsons (Imperial)Typo (Imperial)

Serial Number Table Last Edited: 07/18/16 10:55
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.

Models and s/n Y M D Remarks Ref.
Platen Diameter       Standards: 1.725" (44.45mm)
Portables: 1.275" (32.385mm)
24
        Imperial Typewriter Co. Ltd. Leicester, England  
           
Standard Manual          
Model A          
  1908     three row keyboard, rounded 7
           
Model B          
  1915     three row keyboard, rounded 7
           
Model C          
  1915     Aluminium, rounded keyboard 7
           
Model D - Junior       Three row, square keyboard, "Portable"
From 1932 on called Imperial Junior
7
45000-47000 1921     Approximation
Model D Announced 1919, began 1921.
 
47000-49500 1922     Approximation  
49500-52000 1923     Approximation  
52000-54500 1924     Approximation  
54500-57000 1925     Approximation  
57000-59500 1926     Approximation  
59500-62000 1927     Approximation  
62000-64500 1928     Approximation 13
64500-67000 1929       13
67000-69500 1930     Approximation 13
69500-72000 1931     Approximation  
72000-75000 1932     Approximation  
           
No. 50          
75000-76200 1927     To find serial numbers of early machines take off the carriage and look at right-hand lug on top plate. 6,13
76201-80250 1928       6,13
80251-86500 1929     Ball bearing carriages commenced about 85000 6
86501-950010 1930       6
950011-100000 1931       6
100001 to A Code 1932     AA to AZ and BA to BJ followed by two figures are equivalent in age to machines serialled 106050 to 109600. This must not be confused with Imperials serialled A or B and followed by four figures. 6,13
Codes B to D 1933       6
Codes E to G 1934     Chromium plating from E Code 6
Codes H to J 1935       6
Codes K to N 1936       6
Codes O to Q 1937       6
Codes R to T 1938       6
Codes U to X 1939       6
Codes Y to Z 1940       6
Codes ZA to ZC 1941       6,13
Code ZD 1942       6,13
Code ZE 1943       6,13
Code ZF 1944       6,13
Code ZG 1945       6,13
Z140000-Z154999 1945       6,13
Z155000-Z168199 1946       6
Z168200-Z174000 1947       6,13
Z174500-Z175100 1948     No typos, some numbers are left out in the listings 6,13
Z175200-Z175600 1949       6,13
Z175700-Z176145 1950       6,13
Z176160-Z176760 1951       6,13
Z176778-Z177300 1952       6,13
Z177301-Z177700 1953       6,13
Z177701-Z177900 1954       6
Z177901-Z177999 1955       6
           
No. 55          
Codes AA0001 to AA1250 1937       6
Codes AA1251 to AA6110 1938       6
Codes AA6111 to AB0499 1939       6
Codes AB0500 to AB3999 1940       6
Codes AC0001 to AC1699 1941       6
Codes AC1700 to AC4000 1942       6
Codes AC4001 to AC4299 1943       6
Codes AC4300 to AC5199 1944       6
Codes AC5200 to 262999 1945       6
263000 1946       6
268000 1947       6
284000 1948       6
305930 1949       6
331003 1950       6
349987 1951       6
361461 1952       6
364000 1953       6
364801 1954       6
365301 1955       6
365901 1956       6
366001 1957       6
366201 1958       6
366501 1959       6
366650 1960       6
366900 upwards 1961       6
           
Model 58          
287940X 1948       6
306380X 1949       6
331012X 1950       6
351282X 1951       6
361454X 1952       6
364200X 1953       6
364801X 1954       6
365301X 1955       6
365901X 1956       6
366001X 1957       6
366201X 1958       6
366501X 1959       6
366650X to 366900X 1960       6
           
Model 60          
6A00006-6A01100 1949       6
6A01200 1950       6
6A10022 1951       6
6A34371 1952       6
6A64257 1953       6
6A73701 1954       6
6A81801 1955       6
6A85601 to 6A86500 1956       6
           
Model 65          
6B00000 1952       6
6B02800 to 6B17400 1953       6
6C00000 to 6C11200 1953       6
6B17401 to 6B21450 1954       6
6C11201 to 6C30700 1954       6
6C30701 to 6C30750 1955       6
           
Model 66          
6D00000 1954       6
6D10001 1955       6
6D46001 1956       6
6D90001 1957       6
6E30001 1958       6
6E68001 1959       6
6F55001 1961       6
6G06001 1962       6
6G39701 1963       6
6G54000 1964       6
6G 59001 1965       6
6G61301 1966       6
6G62501 to 6G63226 1967       6
           
Model 70          
7A01000 1962       6
7A07500 1963       6
7A41800 1964       6
7A80301 1965       6
7B21301 1966       6
7B51501 1967       6
7B89985 to 7B90814 1968       6
           
Model 80 (Series I)          
7F0001 1968       6
7F38741 1969       6
7F83182 to 8F20392 1970       6
           
Model 80 (Series II)          
8F20393 1970       6
8F30940 up 1971       6
8F81686 1972       6
9F25219 1973       6
           
Electric          
Imperial Electric          
ELA001 1960       6
ELA501 1961       6
ELB101 1962       6
ELB601 1963       6
ELC501 1964       6
ELE001 1965       6
ELE2001 1966       6
ELF1000 to ELF1090 1967       6
           
660          
8558054 1967       6
8762635 1968       6
9151681 1969       6
9394485 1970       6
9430420 up 1971       6
           
770/775          
9519180 1970       6
9658954 up 1971       6
           
790/795          
9823044 1972       6
1276235 1973       6
           
Model 970          
1112775 1972       30
1134482 1973       30
1179598 1974       30
1205992 1975       30
1254560 1976       30
1299496 1977       30
           
Model 971          
1307886 1977       30
           
Model 990          
1346795 1978       30
1358531 1979       30
           
Model 991          
1347167 1978       30
1360387 1979       30
           
Model 800          
1255277 1976       30
1313852 1977       30
1337732 1978       30
1368379 1979       30
           
Model 5000          
47010013 1976       30
47037937 1977       30
47111087 1978       30
47152864 1979       30
           
Portable          
Modell Regent          
  1930-1931     keyboard with four rows 7
           
Good Companion          
No. 1          
100000 to Code A 1932       7
Codes B & C 1932       6
Codes D to I 1933       6
Codes J to R 1934       6
Codes S to AD 1935       6
Codes AE to AR 1936       6
Codes AS to BJ 1937       6
Codes BK to CE 1938       6
Codes CF to CZ 1939       6
DA001 1940       6
DQ700 1941       6
ED200 1942       6
EL800 1943       6
EY000 1944       6
FF700 1945       6
FO700 1946       6
FU001 1947       6
GC000 1948       6
GL000 1949       6
GV000 1950       6
HF000 1951       6
HP000 1952       6
IB000 1953       6
IN000 1954       6
1Z000 1955       6
JM000 1956       6
JY000 to JY999 1957       6
           
No. 2          
Codes 2A 1938     Tabulator Model 6
Codes 2B to 2I269 1939       6
2J270 1940       6
2Q500 1941       6
2V900 1942       6
22300 1943       6
2AB100 1944       6
2AD700 1945       6
2FO800 1946       6
2FU800 1947       6
2GC000 1948       6
2G L000 1949       6
2GV000 1950       6
2HF000 1951       6
2HP000 1952       6
2IB000 1953       6
21N000 1954       6
21Z000 1955       6
2JM000 to 2JX999 1956       6
           
Model No. 3          
3A000 1951       6
3A401 1952       6
3B701 1953       6
3D401 1954       6
3H801 1955       6
3P000 1956       6
3Y000 to 3Y999 1957       6
           
Model No. 4          
4A000 1957       6
4J000 1958       6
4X001 1959       6
4AQ001 1960       6
4BP001 to 4CE030 1961       6
           
Model No. 5          
5A000 1957       6
5E000 1958       6
5N000 1959       6
5AC001 1960       6
5AJ001 upwards 1961       6
           
Model No. 6          
6C690 1961     Model "6T" same serials as Model 6 with "T" added to serial numbers. 6
6Q361 1962       6
6AM401 1963       6
6BC001 1964       6
6BN501 1965       6
6BP801 to 6BP999 1966       6
           
Model No. 7          
7A720 1961       6
7H281 1962       6
7S301 1963       6
7AA001 1964       6
7AE601 1965       6
7AF901 to 7AG250 1966       6
           
Concorde          
8029600 1965       6
8050001 1966       6
8080351 1967       6
809869 up 1968       6
           
Messenger          
8A001 1964     Messenger (Tab.) Same serials as Messenger with "T" added. 6
8J848 1965       6
8AG401 1966       6
8AP000 to 8AP1000 1967       6
           
Safari          
8894787 1971       6
8935073 1972       6
8942201 1973       6
           
Model 200          
up to 1050498 1969       6
1050499 1970       6
1328174 1971       6
2148617 1972       6
2595230 1973       6
           
Model 220          
up to 8712165 1969       6
8712166 to 8838490 1970       6
1341920 1971       6
2204119 1972       6
2660029 1973       6
           
Model 280          
9089534 1976       30
           
Signet          
up to 1339103 1970       6
1338103 1971       6
2131052 1972       6
           
Model 300          
1105140 to 1106039 1970       6
8854489 to 8944682 1970       6
1502084 1971-1972       6
2519681 1973       6
           
Fleetwood          
2249093 1972       6
2558046 1973       6
           
Gemini          
1171162 1971       30
           
Heritage          
20245644 1978       30
20313359 1979       30
           
2002          
6815280 1978       30
6911601 1979       30
           
201/2/3          
50168481 1979       30



Typewriter Repair and Service Manuals in PDF Format for immediate download:


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. (HFW Schramm 11th ed. 1962)
see: http://typewriters.ch/collection/VOSS.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
"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: http://www.typewriters.ch/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://writelephant.com/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