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 650. 
650. Road Materials Testing. [Henderson and Assistant.]
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650. Road Materials Testing. [Henderson and Assistant.]

6 hours a week.

Samples of stone are tested for specific gravity, absorption, cementing value,
toughness, resistance to abrasion, and compressive strength. Asphalts and tars
are tested for specific gravity, penetration, melting point, volatilization, viscosity,
flash point, fixed carbon. (Fall.)