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Good Companion: Typewriter Serial Number Age List

Brand: Imperial Also known as • Ajax • Briton • Good Companion • Imperial (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
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