| Serial
number |
Year
of make
|
| no
records |
1885 to 1926
|
|
#400
|
1/1/27
|
|
#3070
|
1/1/29
|
|
#9999
|
1/1/31
|
| L
Series: |
|
|
L1000
|
12/1/31
|
|
L2100
|
1932
|
|
L3250
|
1933
|
|
L4300
|
1934
|
|
L5500
|
1935
|
|
L6600
|
1936
|
|
L7750
|
1937
|
|
L8800
|
1938
|
|
L9900
|
1939
|
| M
Series: |
|
|
M1000
|
2/1/39
|
|
M2400
|
1940
|
|
M3400
|
1944
|
|
M6000
|
1945
|
|
M8000
|
1946
|
| N
Series: |
|
|
N100
|
10/1/46
|
|
N1000
|
2/1/47
|
|
N2800
|
1948
|
|
N4900
|
1949
|
|
N6600
|
1950
|
|
N8100
|
1951
|
| P
Series: |
|
|
P1200
|
1952
|
|
P4200
|
1953
|
|
P7400
|
1954
|
| Q
Series: |
|
|
Q1100
|
1955
|
|
Q4350
|
1956
|
|
Q7290
|
1957
|
|
| Serial
number |
Year
of make
|
| R
Series: |
|
|
R1200
|
1958
|
|
R6100
|
1959
|
| S
Series: |
|
|
S1150
|
1960
|
|
S4160
|
1961
|
|
S7390
|
1962
|
| T
Series: |
|
|
T1400
|
1963
|
|
T5800
|
1964
|
| U
Series: |
|
|
U1100
|
1965
|
|
U5700
|
1966
|
| V
Series: |
|
|
V1000
|
1967
|
|
V4800
|
1968
|
|
V7900
|
1969
|
| W
Series: |
|
|
W1700
|
1970
|
|
W5900
|
1971
|
| X
Series: |
|
|
X1500
|
1972
|
|
X6400
|
1973
|
| Y
Series: |
|
|
Y1200
|
1974
|
|
Y6300
|
1975
|
| Z
Series: |
|
|
Z1100
|
1976
|
|
Z5200
|
1977
|
| A
Series: |
|
|
A1000
|
1978
|
| B
Series: |
1980 & 1981
|
|
