..........................................................................................................No.1 .............6"x5"
..........................................................................................................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"
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Return to Triple Achromat Settings
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Lens Book, Volume 1. 1863-1864
Brent Archive 198028/3/1
Serial numbers 5000-7000