Snelling, Henry Hunt, 1816-1897 · [New York : W.B. Smith] · leaf 322
IS.small compass. Fig, 18, shows the 19. convenient form, and is applicable tocopying purposes. They were formerlyconstructed with a slide, made to con-tain the shields, passing through thebox from side to side ; but we believethis has been partially abandoned, onaccount of the difficulty of…
Photography · Art and photography
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