Snelling, Henry Hunt, 1816-1897 · [New York : W.B. Smith] · leaf 323
Theplatform, e, is made of two pieces,hinged together at the end nearest theobject, and into the lower half of whichis inserted a thumb screw (d,) for the purpose of de-pressing the ca-mera. Fig. 22,represents a verygood style fortraveling purpo-ses, as it can beso folded withinitself as to oc-cupy…
Photography · Art and photography
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