Papers on paint and varnish and the materials used in their manufacture (1920)
Gardner, Henry A. (Henry Alfred), 1882- · Washington, D. C. · leaf 389
PAPERS ON PAINT AND VARNISH FIG. 66. Photograph of Painted Cement Stucco After Exposure … FIG. 67 Photograph of Cross-section of Wood, Showing Fibers and Cells (Magnified) 386
Paint · Varnish and varnishing
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.