Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 387
. Fromabout 1850 to about 1875, oil lamps were used almost exclusively fortrain lighting. From 1875 to 1900 gas occupied the field to thegreatest extent. Since 1900 electricity has been introduced more 100 / to / / / Bo / V 70 1 ^ J / / P / (•0 ^ / / cy / / ^O ^v 7 / / > // y 40 / f y I / / / ^0… … o O O g a. CO 5 ELECTRIC LIGHTING 83 and more extensively so that now nearly all of the first-class trainsand a large proportion of the local passenger trains use some form ofelectric-lighting outfit. A reduction of the fire risk, the ease ofcontrol, the excellent quality of the light, the fact…
Electrical engineering
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