Hunt, Robert, 1807-1887, author, Contained in (work): Hunt, Robert, 1807-1887. Manual of photography · London ; Glasgow : Richard Griffin and Company · leaf 115
nal form, a is the sliding door that supports the lens b. cc are the side openings fitted with cloth sleeves to admit the operator’s arms, d is a hinged door at the back of the camera, which can be supported like a table by the hook e. f is the opening for looking into the camera during an… … an operation is under the door h. i is the sliding frame for holding the focusing glass, or the frame with the prepared glass,
Photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten02unit-28-10.webp)
