asphalt pat-paper test 2
Fig. 7. — Medium 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 354, here )
17 February 2013
tags: asphalt; drawing; infrastructure; Richardson, Clifford; stains