Ross Serial Numbers
21 Ross lens serial ranges are on record, covering production from 1840 to 1960. Follow any serial range for the full detail on that batch.
Serial Number Ranges
| Year | Object Type | Model | Serial Range | Quantity Made |
|---|---|---|---|---|
| 1840 | Lens | — | 100 | — |
| 1850 | Lens | — | 3,000 | — |
| 1860 | Lens | — | 6,500 | — |
| 1870 | Lens | — | 12,500 | — |
| 1875 | Lens | — | 20,000 | — |
| 1880 | Lens | — | 44,430 | — |
| 1885 | Lens | — | 47,31x | — |
| 1890 | Lens | — | 50,000 | — |
| 1911 | Lens | — | 81,96x | — |
| 1918 | Lens | — | 86,000 | — |
| 1921 | Lens | — | 95,000 | — |
| 1924 | Lens | — | 100,000 | — |
| 1925 | Lens | — | 105,000 | — |
| 1927 | Lens | — | 110,000 | — |
| 1930 | Lens | — | 115,000 | — |
| 1931 | Lens | — | 120,000 | — |
| 1933 | Lens | — | 125,000 | — |
| 1939 | Lens | — | 140,000 | — |
| 1946 | Lens | — | 213,000 | — |
| 1947 | Lens | — | 200,000 | — |
| 1960 | Lens | — | 250,000 | — |