Burn, Robert Scott · London : Ingram, Cooke, and Co. · leaf 146
m pip1 … fie. h. fig. I. appear after the acid had been applied five minutes ; fig. i, the etchingwith the lightest tints stopped up with varnish. Fig. k represents theetching as it would appear after the acid has been applied ten minutes;and fig. I, after it has been applied fifteen minutes. Generally the…
Drawing · Wood-engraving
Internet Archive · Getty Research Institute · Public Domain Mark 1.0. Free to use for anything.
