Physical and chemical examination of paints, varnishes, lacquers and colors / Henry A. Gardner, assisted in this revision by G. G. Sward. Gardner, Henry A. (Henry Alfred), 1882-1973. Sward, G. G. (George G.) Paint. Varnish and varnishing. Pigments. 667.6 GAP Includes index. Washington, D.C. : Institute of Paint and Varnish Research, 1939 (1940 printing). 1939 (1940 printing). 1939 Text 578, [8] p. : eng