Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 92
The Hydrostatic Blow-pipe consists of a cask, divided by a horizontal diaphragm into two parts D D.From the upper apartment, a pipe of about 3 inches diameter (its axis coincident with that of the cask)descends, until within about 0 inches of the bottom. On this is fastened by screws, a… … is made in the upper surface of the block, so thata lateral passage may be left when nailed on eachside of the groove. This lateral passage com-municates with a hole bored vertically into thewood by a centre-bit; and a small strip of leatherbeing extended so as to cover this hole, is made,with the…
Mechanical engineering · Mechanics · Engineering
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