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how they will work in practice, however


Corroded and Pitted Surface of Plate Painted with Stimulative Paint

illustration (cropped from page and border) to discussion of "Structural Paint Tests"
ex Henry A. Gardner. Paint Technology and Tests (McGraw-Hill, 1911): 241
UC Berkeley copy (TP936 G22), digitized October 24, 2006

The stimulative nature of these black pigments, however, asserted itself in both cases, and large pittings and eruptions were evident at the end of the year. Carbon black, lampblack, graphite, or any other good conductor of electricity should never be placed next to the surface of iron...
p 232

epigram ex p 241

21 September 2013
tags: corrosion; natural philosophy; paint; Alfred Henry Gardner