nd the old mate- while an inferior material was in the boilers. Once laid, Engineering Works.* rials could be used again. The charge of slipperiness which wear alone would reveal what had taken place. From these Adopting the nomenclature of M. Léon Malo, which had had been made against asphalt… … of machinery running at high speeds. This was instanced Fig. 8.—Hanging Log, a combination of carbonate of lime and mineral bitumen malpractices asphalt had occasionally suffered unmerited produced by natural agency. Asphaltic mastic was the rock ground to powder, and mixed with a certain…
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