A complete treatise on the art of retouching photographic negatives and clear directions how to finish & colour photographs (1901)
Johnson, Robert · London, Marion · leaf 145
A D VERTISEMENTS 1 1 1 RETOUCHING MATERIALS. Hardtmuth^s Retouching Pencils* (2) No. 83 Series, in six degrees, Nos. i to 6. … Ever-pointed Holders . . . . . . . . . . . . each, 5d. ; per dozen, 4/0 Refills for ,, (round boxes), . . per box of six, 4d. ; per dozen boxes, 3/6 Refills for ,, (flat boxes), better quality, ,, ,, 6d. ; ,, ,, 5/0 “ Black Chalk” Crayons, in five degrees. Nos. i to 5, for working up Bromide…
Photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.