Electric Lighting By Incandescence And Its Application to Interior Illumination
The book Electric Lighting By Incandescence And Its Application to Interior Illumination was written by author William Edward Sawyer Here you can read free online of Electric Lighting By Incandescence And Its Application to Interior Illumination book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Electric Lighting By Incandescence And Its Application to Interior Illumination a good or bad book?
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Electro-Magnetic Switch-Connections. current passing through the lamp. To extinguish the light cam D is moved a little to the right, but not leav- ing its contact with lever C, when lever C is pressed 138 ELECTRIC LIGHTING BY INCANDESCENCE. downward to a contact with, lever A. The lamp is thus short-circuited, the current passing from the + point through levers A and C to the cam D and outward at the - - point. To give the lamp sufficient current to produce one-half its full light, the cam D is... moved fur- ther to the right, so as to pass from its contact with lever C. Then lever C, falling further, forces, lever A to make connection with lever B, and the current divides, a part flowing from the -f- point through the coils of the magnet and the lamp outward, and the remainder flow- ing, by way of levers A and B and resistance I, outward to the point. With the cam turned to the interme- diate point the lamp is extinguished. Turned as far as it will go to the right, one-half of the light is emitted.
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