Dating a vintage machine

Serial number with one letter prefix Year of issue
A- Beginning 1911
B-1 to B-791.500
B-791.501 to B-1.544.750
1904
1905
C- Beginning 1908
D-1 to D-753.725
D-753.726 to D-1.448.900
1908
1909
E- Beginning 1908
F-1 to F-1.079.124
F-1.079.125 to F-1.987.314
F-1.987.315 to F-3.316.719
F-3.316.720 to F-4.621.564
F-4.621.565 to F-5.915.524
F-5.915.525 to F-6.646.349
F-6.646.350 to F-7.314.979
F-7.314.980 to F-8.147.769
F-8.147.770 to F-8.721.799
F-8.721.800 to F-9.317.989
F-9.317.990 to F-9.999.999
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
G-1 to G-927.000
G-927.001 to G-1.691.650
G-1.691.651 to G-2.574.400
G-2.574.401 to G-3.423.850
G-3.423.851 to G-3.903.500
G-3.903.501 to G-4.398.215
G-4.398.216 to G-5.104.460
G-5.104.461 to G-5.862.030
G-5.862.031 to G-6.582170
G-6.582.171 to G-7.687.950
G-7.687.951 to G-8.515.550
G-8.515.551 to G-9.126.000
G-9.126.001 to G-9.726.300
G-9.726.301 to G-0.566.400
G-0.556.401 to G-0.999.999
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
H-1 to H-1.006.000
H-1.006.001 to H-1.759.650
1906
1907
J-1 to J-885.839
J-885.840 to J-1.905.204
1904
1905
K-1 to K-594.900
K-594.901 to K-1.260.800
1902
1903
L-627.301 to L-1.165.200 1901
M- 1900
N-1 to N-627.300 1900
P-1 to P-404.049
P-404.050 to P-998.979
1900
1901
R-1 to R-704.424
R-704.425 to R-1.388.024
1902
1903
S-1 to S-1.257.049
S-*
S-1.275.050 to S-2.425.059
1906
1906
1907
T- Beginning 1906
V-1 to V-986.199
V-986.200 to V-1.828.349
1908
1909
W- Beginning 1911
X- Beginning 1919
Y-1 to Y-160.700
Y-160.701 to Y-354.390
Y-354.391 to Y-768.330
Y-768.331 to Y-1.628.300
Y-1.628.301 to Y-2.344.170
Y-2.344.171 to Y-3.775.310
Y-3.775.311 to Y-4.387.390
Y-4.387.391 to Y-5.658.823
Y-5.658.824 to Y-6.307.594
Y-6.307.595 to Y-7.450.266
Y-7.450.267 to Y-8.375.207
Y-8.375.208 to Y-8.449.942
Y-8.449.943 to Y-8.633.634
Y-8.633.635 to Y-9.162.104
Y-9.162.105 to Y-9.633.846
Y-9.633.847 to Y-9.999.999
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
Manufacture Locations by Serial No. One Prefix Letter
A - Podolsk, Russia
B - Elizabeth, New Jersey USA
C - Wittenberge, (Prussia) Germany
D - Elizabeth, New Jersey USA
E - Podolsk, Russia
F - Clydebank, Scotland, UK
G - Elizabeth, New Jersey USA
H - Elizabeth, New Jersey USA
J - Clydebank, Scotland
K - Elizabeth, New Jersey USA
L - Elizabeth, New Jersey USA
M - Clydebank, Scotland, UK
N - Elizabeth, New Jersey USA
P - Clydebank, Scotland, UK
R - Clydebank, Scotland, UK
S - Clydebank, Scotland, UK
S*- Podolsk, Russia (*100 "S" machines made in Podolsk)
T - Podolsk, Russia
V - Clydebank, Scotland, UK
W - Bridgeport, Connecticut USA
X - Clydebank, Scotland, UK
Y - Clydebank, Scotland, UK
Serial No. with Two Letter Prefix Year of Issue
AA-000.001 to AA-188.650
AA-188.651 to AA-817.510
AA-817.511 to AA-999.999
1924
1925
1926
AB-000.001 to AB-424.850
AB-424.851 to AB-970.425
AB-970.426 to AB-999.999
1926
1927
1928
AC-000.001 to AC-455.380
AC-455.381 to AC-907.690
AC-907.691 to AC-999.999
1928
1929
1930
AD-000.001 to AD-305.595
AD-305.596 to AD-442.270
AD-442.271 to AD-489.945
AD-489.946 to AD-573.295
AD-573.296 to AD-826.955
AD-826.956 to AD-999.999
1930
1931
1932
1933
1934
1935
AE-000.001 to AE-064.365
AE-064.366 to AE-365.140
AE-365.141 to AE-791.090
AE-791.091 to AE-999.999
1935
1936
1937
1938
AF-000.001 to AF-152.105
AF-152.106 to AF-397.655
AF-397.656 to AF-740.750
AF-740.751 to AF-999.999
1938
1939
1940
1941
AG-000.001 to AG-328.075
AG-328.076 to AG-428.235
AG-428.236 to AG-447.870
AG-447.871 to AG-475.720
AG-475.721 to AG-565.750
AG-565.751 to AG-955.445
AG-955.446 to AG-999.999
1941
1942
1943
1944
1945
1946
1947
AH-000.001 to AH-378.570
AH-378.571 to AH-999.999
1947
1948
AJ-000.001 to AJ-014.720
AJ-014.721 to AJ-333.370
AJ-333.371 to AJ-999.999
1948
1949
1950
AK-000.001 to AK-057.820
AK-057.821 to AK-705.475
AK-705.476 to AK-999.999
1950
1951
1952
AL-000.001 to AL-300.600
AL-300.601 to AL-665.740
AL-665.741 to AL-896.890
AL-896.891 to AL-999.999
1952
1953
1954
1955
AM-000.001 to AM-296.985
AM-296.986 to AM-629.585
AM-629.586 to AM-837.799
AM-837.800 to AM-953.999
AM-954.000 to AM-999.999
1955
1956
1957
1958
1959
AN-000.001 to AN-175.979
AN-175.980 to AN-333.569
AN-333.570 to AN-362.988
AN-362.989 to AN-465.661
AN-465.662 to AN-661.994
AN-661.995 to AN-999.999
1959
1960
1961
1962
1963
1964
AP-000.001 to AP-300.028
AP-300.029 to AP-420.616
AP-420.617 to AP-999.999
1964
1965
1966
AR-000.001 to AR-102.501
AR-102.502 to AR-579.025
AR-579.026 to AR-999.999
1966
1967
1968
AS-000.001 to AS-001.500
AS-000.151 to AS-474.650
AS-474.651 to AS-999.999
1968
1969
1970
AT-000.001 to AT-032.500 1971
BA to BY Beginning 1924
CA to CY Beginning 1964
DA to DY Beginning 1962
EA-000.001 to EA-203.878
EA-203.879 to EA-869.974
EA-869.975 to EA-999.999
1935
1936
1937
EB-000.001 to EB-705.753
EB-705.754 to EB-956.428
EB-956.429 to EB-999.999
1937
1938
1939
EC-000.001 to EC-589.135
EC-589.136 to EC-999.999
1939
1940
ED-000.001 to ED-202.377
ED-202.378 to ED-232.773
ED-232.774 to ED-242.053
ED-242.054 to ED-311.246
ED-311.247 to ED-745.856
ED-745.857 to ED-942.976
ED-942.977 to ED-999.999
1941
1942
1943
1944
1945
1946
1947
EE-000.001 to EE-453.220
EE-453.221 to EE-933.528
EE-933.529 to EE-999.999
1947
1948
1949
EF-000.001 to EF-600.940
EF-600.941 to EF-999.999
1949
1950
EG-000.001 to EG-312.860
EG-312.861 to EG-999.999
1950
1951
EH-000.001 to EH-012.026
EH-012.027 to EH-787.882
EH-787.883 to EH-999.999
1951
1952
1953
EJ-000.001 to EJ-449.138
EJ-449.139 to EJ-999.999
1953
1954
EK-000.001 to EK-123.026
EK-123.027 to EK-992.399
EK-992.400 to EK-999.999
1954
1955
1956
EL-000.001 to EL-999.999 1956
EM-000.001 to EM-015.256
EM-015.257 to EM-999.999
1956
1957
EN-000.001 to EN-970.333
EN-970.334 to EN-999.999
1958
1959
EP-000.001 to EP-771.032
EP-771.033 to EP-999.999
1959
1960
ER-000.001 to ER-999.999 1960
ES-000.001 to ES-238.743
ES-238.744 to ES-999.999
1960
1961
ET-000.001 to ET-179.954
ET-179.955 to ET-999.999
1961
1962
EV-000.001 to EV-019.712
EV-019.713 to EV-602.138
EV-602.139 to EV-999.999
1962
1963
1964
EW-000.001 to EW-005.230
EW-005.231 to EW-020.180
EW-020.181 to EW-024.830
EW-024.831 to EW-030.680
EW-030.681 to EW-038.630
EW-038.631 to EW-045.210
EW-045.211 to EW-054.310
EW-054.311 to EW-058.440
EW-058.441 to EW-084.390
EW-084.391 to EW-100.005
EW-100.006 to EW-100.505
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
EX-000.001 to EX-402.914
EX-402.915 to EX-675.436
1964
1965
FA to FY Beginning 1935
GA to GY Beginning 1935
HA to HY Beginning 1960
JA 1924
JB 1936
JC 1948
JD 1954
JE 1961
KA to KY Beginning 1959
LA to LY Beginning 1959
MA to MY Beginning 1934
NA 1951
NB 1956
NC 1961
ND to NY Beginning 1963
PA to PY Beginning 1954
QA to QZ Beginning 1963
RA to RY Beginning 1954
SA to SN Beginning 1935
SP to SY Beginning 1963
TA to TY Beginning 1956
VA to VY Beginning 1957
WA to WY Beginning 1967
YA to YY Beginning 1959