Painters' colours, oils, and varnishes : a practical manual (1906)
Hurst, George H. (George Henry) · London : Charles Griffin & Company · leaf 268
making lamp-black from liquid oils which are comparatively costly) consisted essentially in burning oil in lamps and collecting the soot. One of the most modern forms of the plant used is shown in Fig. 24, from which it will be seen to consist of a lamp, A, constructed on the bird-fountain… … Fig. 24. — Plant for making lamp-black. by the pipe, 6, communicating with the bottom of the oil- container, c; by thus giving a plentiful supply of oil a very smoky flame results, which is the condition necessary to produce the largest amount of lamp-black. There should be a cup, at the bottom of…
Paint · Varnish and varnishing
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.