asphalt pat-paper test 1
Fig. 6. — Light Stain.
illustrating discussion of “the amount of asphalt cement or bitumen which a mineral aggregate will carry,” and preparation of a “pat test” for mailing to laboratory.
ex Clifford Richardson. The Modern Asphalt Pavement. Second edition, revised and enlarged. New York: 1913. ( image cropped from page 353, here )
Brings to mind some of the work done by Gutai artists in Japan, in the 1950s-60s, and currently on view at the Guggenheim.
asphalt; drawing; gutai; infrastructure; stains; Clifford Richardson