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Mechanical applicances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical mvements, powers and devices"; (1917)

Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing company · leaf 278

An illustration from Mechanical applicances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical mvements, powers and devices";, 1917, leaf 278
SECTION XVII. MINING DEVICES ANDAPPLIANCES. 271 Section XVII. MINING DEVICES AND APPLIANCES. … 706. MINING LAMP. Clanny type.A glass takes the place of the lower partof the wire gauze in the Davy lamp andthus gives a clear light from the flame.The air enters through the lower part ofthe wire gauze chimney, as shown by thearrows in the section. English. An improvement on the Davy lamp.

Mechanical movements

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