California · Sacramento : California Highway Commission · leaf 14
ry a high percentage of lubricating oils. The binding or sticky property of the road oils is determined by the If such an oil is used it can easily be understood why the oil would fail Osborne Adhesion test. as a binder. In addition to the tests already mentioned that form the routine work A novel… … Commission’s Testing Laboratory. mento River, has heretofore prevented the construction of this impor¬ tant road. different road materials, the good and bad effects of salts, alkalies, and During the coming year the Commission hopes to let contracts for the acids oil the concrete and oil where the…
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Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
