, and capable of outlasting the wood work of the Shield, appears to be a necessity ; being hard and smooth, it slides of its own weight into its place, and can be easily withdrawn without in the least shaking the camera, so liable in the case where the wooden Shield is swollen or warped. The silver… … little longer than the width of a whole size plate, it is made by a series of two sets of steps, apart the length of the different
Photography
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
