Lantern slides : how to make and color them (1895)
Elmendorf, Dwight L. (Dwight Lathrop), 1859-1929 · New York : E. & H.T. Anthony & Co. · leaf 51
CHAPTER II. The Camera Method. THIS method requires a camera with a long bed and bellows to match, a lens of 4 or 5 inches’ focus, and an adjustable hood, projecting in front of the lens in such a way that it extends to the frame which holds the negative, so that only those rays of light which pass… … Anthony’s Lantern-Slide Camera. The frame carriage for the ground-glass and the plate-holder may be oscillated within certain limits, so that the image on the slide may be perfectly vertical, even if that on the negative is askew.
Slides (Photography)
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.