85 per cent of the full tically the same level, and as many days will ob- steam pressure is 23,725 pounds; but when the device literate all trace of it. There is no evidence of a just described is thrown into action the tractive ef- higher temperature or of internal heat, and the plas- fort is… … the pitch to all parts of the world, to be used princi- our engraving is made. DIGGING AND LOADING ASPHALT ON THE LAKE. pally for paving purposes. Previous to 1894 it was = Sg aa dug out and loaded into carts and hauled to the beach, THE PITCH LAKE AND THE ASPHALT INDUSTRY OF and from there…
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