Difference between revisions of "Bausch & Lomb serial numbers"
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====Bausch & Lomb until 1942 (numeric)==== | ====Bausch & Lomb until 1942 (numeric)==== | ||
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− | + | ! Year !! Serial nº !! !! Year !! Serial nº !! !! Year !! Serial nº | |
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− | | | + | | 1876 || 1 ||rowspan=24 style="background-color:#ffff;"| || 1900 || 32000 ||rowspan=24 style="background-color=#ffff;"| || 1924 || 170000 |
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− | | | + | | 1877 || 150 || 1901 || 33000 || 1924 || 175000 |
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− | | | + | | 1878 || 350 || 1902 || 35000 || 1925 || 180000 |
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− | | | + | | 1879 || 800 || 1903 || 40000 || 1926 || 185000 |
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− | | | + | | 1880 || 1100 || 1904 || 45000 || 1926 || 190000 |
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− | | | + | | 1881 || 1450 || 1905 || 52000 || 1927 || 195000 |
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− | | | + | | 1882 || 1750 || 1906 || 57000 || 1928 || 200000 |
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− | | | + | | 1883 || 2000 || 1907 || 63000 || 1929 || 205000 |
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− | | | + | | 1884 || 2500 || 1907 || 69000 || 1929 || 215000 |
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− | | | + | | 1885 || 3000 || 1909 || 76000 || 1930 || 225000 |
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− | | | + | | 1886 || 3800 || 1910 || 82000 || 1931 || 230000 |
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− | | | + | | 1887 || 4500 || 1911 || 86000 || 1932 || 235000 |
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− | | | + | | 1888 || 5300 || 1912 || 89000 || 1934 || 240000 |
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− | | | + | | 1889 || 6375 || 1913 || 95000 || 1935 || 244000 |
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− | | | + | | 1890 || 7600 || 1914 || 98000 || 1935 || 247000 |
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− | | | + | | 1891 || 9200 || 1915 || 104000 || 1936 || 250000 |
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− | | | + | | 1892 || 10000 || 1916 || 110000 || 1937 || 260000 |
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− | | | + | | 1893 || 11700 || 1917 || 120000 || 1938 || 270000 |
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− | | | + | | 1894 || 13900 || 1918 || 129000 || 1939 || 280000 |
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− | | | + | | 1895 || 17000 || 1919 || 135000 || 1940 || 290000 |
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− | | | + | | 1896 || 20000 || 1920 || 140000 || 1940 || 300000 |
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− | | | + | | 1897 || 25000 || 1921 || 148000 || 1941 || 310000 |
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− | | | + | | 1898 || 28000 || 1922 || 155000 || 1942 || 320000 |
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− | | | + | | 1899 || 30000 || 1923 || 160000 |
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− | + | ====Bausch & Lomb from 1942 (alphanumeric)==== | |
− | | | + | From 1942 [[Bausch & Lomb]] used an alphanumeric code for the lenses, where the first letter encodes the year and the second letter (apparently) the class of lens |
− | | | + | {| class="wikitable sortable floatleft" |
− | | | + | ! Year !! 1st letter |
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− | | | + | | 1941 || A |
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− | | | + | | 1942 || U |
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− | | | + | | 1943 || M |
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− | | | + | | 1944 || V |
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− | | | + | | 1945 || B |
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− | | | + | | 1946 || T |
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− | | | + | | 1947 || L |
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− | | | + | | 1948 || W |
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− | | | + | | 1949 || C |
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− | | | + | | 1950 || S |
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− | | | + | | 1951 || K |
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− | | | + | | 1952 || X |
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− | | | + | | 1953 || D |
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− | | | + | | 1954 || R |
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− | | | + | | 1955 || J |
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− | | | + | | 1956 || Y |
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− | | | + | | 1957 || E |
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− | | | + | | 1958 || P |
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− | | | + | | 1959 || H |
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− | | | + | | 1960 || Z |
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− | | | + | | 1961 || F |
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− | | | + | | 1962 || N |
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− | | | + | | 1963 || G |
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|} | |} | ||
− | == | + | {| class="wikitable" style="margin:0px;" |
− | + | ! 2nd Letter !! Lens class | |
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− | | | + | | A || aerial lens |
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− | | | + | | F || photographic lens |
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− | | | + | | S || lens for survey cameras |
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|} | |} | ||
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+ | {{brl}} | ||
== Notes == | == Notes == |
Latest revision as of 15:55, 25 January 2021
Until 1942 Bausch & Lomb used a standard numeric sequence for the Serial numbers for their lenses. [1]
Bausch & Lomb until 1942 (numeric)
Year | Serial nº | Year | Serial nº | Year | Serial nº | ||
---|---|---|---|---|---|---|---|
1876 | 1 | 1900 | 32000 | 1924 | 170000 | ||
1877 | 150 | 1901 | 33000 | 1924 | 175000 | ||
1878 | 350 | 1902 | 35000 | 1925 | 180000 | ||
1879 | 800 | 1903 | 40000 | 1926 | 185000 | ||
1880 | 1100 | 1904 | 45000 | 1926 | 190000 | ||
1881 | 1450 | 1905 | 52000 | 1927 | 195000 | ||
1882 | 1750 | 1906 | 57000 | 1928 | 200000 | ||
1883 | 2000 | 1907 | 63000 | 1929 | 205000 | ||
1884 | 2500 | 1907 | 69000 | 1929 | 215000 | ||
1885 | 3000 | 1909 | 76000 | 1930 | 225000 | ||
1886 | 3800 | 1910 | 82000 | 1931 | 230000 | ||
1887 | 4500 | 1911 | 86000 | 1932 | 235000 | ||
1888 | 5300 | 1912 | 89000 | 1934 | 240000 | ||
1889 | 6375 | 1913 | 95000 | 1935 | 244000 | ||
1890 | 7600 | 1914 | 98000 | 1935 | 247000 | ||
1891 | 9200 | 1915 | 104000 | 1936 | 250000 | ||
1892 | 10000 | 1916 | 110000 | 1937 | 260000 | ||
1893 | 11700 | 1917 | 120000 | 1938 | 270000 | ||
1894 | 13900 | 1918 | 129000 | 1939 | 280000 | ||
1895 | 17000 | 1919 | 135000 | 1940 | 290000 | ||
1896 | 20000 | 1920 | 140000 | 1940 | 300000 | ||
1897 | 25000 | 1921 | 148000 | 1941 | 310000 | ||
1898 | 28000 | 1922 | 155000 | 1942 | 320000 | ||
1899 | 30000 | 1923 | 160000 |
Bausch & Lomb from 1942 (alphanumeric)
From 1942 Bausch & Lomb used an alphanumeric code for the lenses, where the first letter encodes the year and the second letter (apparently) the class of lens
Year | 1st letter |
---|---|
1941 | A |
1942 | U |
1943 | M |
1944 | V |
1945 | B |
1946 | T |
1947 | L |
1948 | W |
1949 | C |
1950 | S |
1951 | K |
1952 | X |
1953 | D |
1954 | R |
1955 | J |
1956 | Y |
1957 | E |
1958 | P |
1959 | H |
1960 | Z |
1961 | F |
1962 | N |
1963 | G |
2nd Letter | Lens class |
---|---|
A | aerial lens |
F | photographic lens |
S | lens for survey cameras |
Notes
- ↑ Sourced from a discussion thread at mflenses.