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Stock Book, Volume 3. 1866-1871
Brent Archive 198028/5/3
Serial numbers 11000-19000
.Triple Achromatic Settings, Rigid
..................................................................No.1 6x5"
...................................................................No.2 81/2"x61/2"
...................................................................No.3 10"x8"
...................................................................No.4 12"x10"
...................................................................No.5 15"x12"
...................................................................No.6 18"x16"
...................................................................No.7 22"x20"
...................................................................No.8 25"x21"
.........................................................................................32"x20"
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