A complete treatise on the art of retouching photographic negatives, and clear directions how to finish & colour photographs (1886)
Johnson, Robert (Writer on photography), author · London : Marion and Co. · leaf 126
atus may be used in any room, provided all actinic light be ex- cluded. Will enlarge negatives J plate and smaller sizes. Combining as it does the Lantern and the Enlarging, this Apparatus will be found one of the most useful and cheapest instruments ever offered. (We ap- pend directions for use.)… … DIRECTIONS FOR USE. — The apparatus must be used in a darkened room from which all actinic light is excluded. It will, however, of itself give sufficient light to work by. Place it on a table or bench ; a flat board should rest on an upright easel — this latter to have wheels so that it might be…
Photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.