Locomotive catechism; an up-to-date, practical and complete work on the locomotive--treating on the design, construction, repair and running of all kinds of locomotives .. (1908)
Grimshaw, Robert, 1850- [from old catalog] · New York, The N. W. Henley publishing company · leaf 816
heat?A. Because there .is no air in the glass bulb, and oxygen,which is contained in air, is necessary to support combustion. Q. Hozc is the arc of the Pyle electric headlight lamp pro-duced and kept up? A. There is a long spiral called a solenoid, through whichpasses a soft iron core wThich is… … Fig. 433-Carbons. 802 LOCOMOTIVE CATECHISM. the solenoid lessens, and at a certain degree of weakness themagnet lets go of the clutch which holds the upper or positivecarbon, letting it start to drop towards the under one; butbefore it can reach this, which would put out the light bydiminishing the…
Locomotives
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