1929 promotional book for Bitumuls Asphaltic binders for pavement of roads "Pure Bitumen Emulsified"
San Francisco: American Bitumuls Company, C. 1929. First Printing. Wraps. 9.5 x 6.25 inches, softcover in textured light brown decorated wraps. Very good crisp clean condition. 53 (2) pp, well illustrated, with lots of statistical information and engineering advice on how to use Bitumuls surface treatments for waterbound macadam and.....
























