Principles and practices of up-keep painting (1923)
E.I. du Pont de Nemours & Company, author · Chicago, Ill. ; Philadelphia, Pa. ; Boston, Mass. : E.I. du Pont de Nemours & Co., Inc. · leaf 40
od Surfaces The chief cause of decay in exterior wood surfaces is the action of the elements in the shape of moisture, sun, wind, etc. Unpainted wood per¬ mits ready entrance to moisture and dampness, and when such surfaces are exposed to the sun’s rays, they naturally have a tendency to draw out… … Detail View of Unprotected Wood Panel Another cause of deterioration is the presence of smoke and soot from industries and from railroads. Unpainted wood affords a ready lodgment for the impurities and dust particles in smoke, not only discoloring the sur¬ face but penetrating the fiber of the…
Painting, Industrial · Varnish and varnishing
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
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