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 66
-:? Fig. 3,861.—Fulco pastil adapter. By means of this device the Guil pastil may be used withany calcium burner. The main portion of the adapter is a hollow shell which serves as areceptacle for the pastil when not in use.
Electrical engineering
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