Iron corrosion : anti-fouling and anti-corrosive paints (1900)
Andés, Louis Edgar, 1848-1925 · London : Scott, Greenwood and Co. · leaf 58
46 IRON-COREOSION AND ANTI-CORROSIVE PAINTS. patches indicate the hghtest-coloured portions of rust, the deeper tones the darker-coloured pieces, and only the black masses represent the still clean, unattacked metal. … Figs. 30 and 31. — Rust pittings in tinned sheet iron stored for ten years in a cellar. The black patches are the rust, the lighter portions indicating the clean metal. Fig. 21 shows rust produced in the natural way, the iron plate having been exposed to atmospheric influences for four- teen days…
Iron · Corrosion and anti-corrosives · Paint, Antifouling
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
