A complete treatise on the art of retouching photographic negatives and clear directions how to finish & colour photographs (1901)
Johnson, Robert · London, Marion · leaf 165
noi A D VERTISEMENTS 131 5HUTTERS. MARION'S “SOHO” Blind Shutter. (6s, … instructions for Operating Marion*s **Soho** Blind Shutter, To Focus the Picture, draw the cord till the aperture is fully open and thel)lind latches. To Set the Shutter, draw the cord as far as possible. To Release the Shutter, squeeze the ball sharply. Instantaneous Exposures. — Set the lever A…
Photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
