Electrical Designs Comprising Instructions for Constructing Small Motors Testi
Electrical Designs Comprising Instructions for Constructing Small Motors Testi
Alexander Gray
The book Electrical Designs Comprising Instructions for Constructing Small Motors Testi was written by author Alexander Gray Here you can read free online of Electrical Designs Comprising Instructions for Constructing Small Motors Testi book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Electrical Designs Comprising Instructions for Constructing Small Motors Testi a good or bad book?
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should be copiously shellacked and the coil thoroughly baked after com- pletion. The ends of this coil are connected to the two thin sheet copper or aluminum strips, c, which are shellacked to the sides of the spool. At the lower end of each of these strips is a vane or projection, v t the two being arranged to point in opposite directions. These are intended to dip into kerosene oil contained in the cup, 0, and to dampen the swinging of the suspended coil. Across the two strips, C, is fastened... with gummy shellac a small mirror, M, best made by silvering the sur- face of a bit of glass, such as is used for microscope slide covers, though 1 7 2 ELECTRICAL DESIGNS a piece of ordinary thin looking glass will answer. The two suspension wires, which should be of exactly equal length, are fastened to the strips, c, with small drops of solder. These suspension wires should be of copper, not larger than No. 36 gauge and preferably smaller. It is not necessary to remove the insulation from them.
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