Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in construcive and operative mechinery and the mechanical arts, being practically a mechanical dictionary (1917)
Hiscox, Gardner Dexter, 1822?-1908 · New York : The Norman W. Henley publishing co. · leaf 176
630. ROOT ROTARY BLOWER. An early form. Has been also usedas a pump. … 631. ROOT ROTARY BLOWER. —Present design. The extended sur-face of the periphery of the wheels al-lows them to run loosely in the shellwithout friction, and with very smallloss by air leakage. lyo AIR POWER APPLIANCES. 632. HYDRAULIC AIR COM.PRESSOR.—A reciprocating piston inthe water cylinder, G,…
Mechanical movements
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