年
|
シリアルナンバー
|
1876 |
1
|
1877 |
150
|
1878 |
350
|
1879 |
800
|
1880 |
1,100
|
1881 |
1,450
|
1882 |
1,750
|
1883 |
2,000
|
1884 |
2,500
|
1885 |
3,000
|
1886 |
3,800
|
1887 |
4,500
|
1888 |
5,300
|
1889 |
6,375
|
1890 |
7,600
|
1891 |
9,200
|
1892 |
10,000
|
1893 |
11,700
|
1894 |
13,900
|
1895 |
17,000
|
1896 |
20,000
|
1897 |
25,000
|
1898 |
28,000
|
1899 |
30,000
|
1900 |
32,000
|
1901 |
33,000
|
1902 |
35,000
|
1903 |
40,000
|
1904 |
45,000
|
1905 |
52,000
|
1906 |
57,000
|
1907 |
63,000
|
1908 |
69,000
|
1909 |
76,000
|
1910 |
82,000
|
1911 |
86,000
|
1912 |
89,000
|
1913 |
95,000
|
1914 |
98,000
|
1915 |
104,000
|
1916 |
110,000
|
1917 |
120,000
|
1918 |
129,000
|
1919 |
135,000
|
1920 |
140,000
|
1921 |
148,000
|
1922 |
155,000
|
1923 |
160,000
|
1924 |
175,000
|
1925 |
180,000
|
1926 |
190,000
|
1927 |
195,000
|
1928 |
200,000
|
1929 |
215,000
|
1930 |
225,000
|
1931 |
230,000
|
1932 |
235,000
|
1933 |
240,000
|
1934 |
244,000
|
1935 |
247,000
|
1936 |
250,000
|
1937 |
260,000
|
1938 |
270,000
|
1939 |
280,000
|
1940 |
290,000
|
1941 |
310,000
|
1942 |
320,000
|
ボシュロムレンズは1942年前後からアルファベットを使って年代を特定する方法に変わりました。対照表は以下です。
A |
1941
|
B |
1945
|
C |
1949
|
D |
1953
|
E |
1957
|
F |
1961
|
G |
1963
|
H |
1959
|
I |
無
|
J |
1955
|
K |
1951
|
L |
1947
|
M |
1943
|
N |
1962
|
P |
1958
|
R |
1954
|
S |
1950
|
T |
1946
|
U |
1942
|
V |
1944
|
W |
1948
|
X |
1952
|
Y |
1956
|
Z |
1960
|