asphalt pat-paper test 4
Fig. 9. — Heavy Stain.
ex Clifford Richardson. The Modern Asphalt Pavement. Second edition, revised and enlarged. New York: 1913. ( image cropped from page 356, here )
tags:
asphalt; stains; Clifford Richardson
asphalt pat-paper test 4
Fig. 9. — Heavy Stain.
ex Clifford Richardson. The Modern Asphalt Pavement. Second edition, revised and enlarged. New York: 1913. ( image cropped from page 356, here )
tags:
asphalt; stains; Clifford Richardson