Modern photography in theory and practice : a hand book for the amateur (1899)
Abbott, Henry G., 1858-1905 · Chicago : Geo. K. Hazlitt · leaf 44
MODERN PHOTOGRAPHY. 32 plate out, as shown in Fig. 9 and by pressing on the spring bar with the thumb the plate will fall into place. Keep the holder tilted back so that the plate will fall … Fig. 9- into the holder. To unload, press with the thumb on the spring bar, as shown in Fig 10, then by tilting for- ward the holder, the plate will fall forward, the edge resting against the fingers. The plate is then held in position by the ends only. When the plate is inserted replace the slide…
Photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
