Mechanical movements, powers, devices and appliances (1901)
Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley & company · leaf 195
693. SPIRAL VANE QR COWL, for a chimney top.The wind catching in the wings causes it to revolve andincrease the draught. i86 AIR POWER APPLIANCES. … 694. WIND INSTRUMENTS. 695. a, a\ bassoons. 696. b, cors Anglais. 697. c^ oboe, or hautbois. 698. d^ clarionet. 699. e^ flute. 700. y, octave, or piccolo. 701. ^, musette. 702. /?, flageolet. Section IX.ELECTRIC POWER AND CONSTRUCTION. GENERATORS, MOTORS, WIRING, CONTROLLING AND MEAS-URING,…
Mechanical movements
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