Hawkins electrical guide ... : questions, answers & illustrations : a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications ; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833-1928 · New York : T. Audel & Co. · leaf 381
bon will fall nearly horizontally on thatobject. In some lamps the positive carbon is set back out of alignment with the nega-tive carbon, thereby causing the crater to form at an angle without requiring the tiltingof the carbons. 2,472 HAWKINS ELECTRICITY Search Light Projectors.—In the various… … FEEDING WHLE.LS Fig. 3,398.—Hand feed are lamp with carbons at right angles. The carbons can be fed sep-arately or together, depending on the manner in which the feeding wheels are manipu-lated. With direct current, this type of lamp will give more light for the same amountof current than the…
Electrical engineering
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