Hunt, Robert, 1807-1887, author, Contained in (work): Hunt, Robert, 1807-1887. Manual of photography · London ; Glasgow : Richard Griffin and Company · leaf 121
107 THE CAMEEA OBSCERA. Fig. 53 shows a tripod stand and washing dish, upon which the collodion plate is placed for developing, washing, &c. i%r- 53. Another form of plate-holder, which is known as the lever pneumatic plate-holder, is shown at fig. 54. Fig. 54. The picture being finished, it… … Fig. 55. instrument the back opens in two pieces, so as to admit of the examination of the picture without disturbing either the negative or positive.
Photography
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