Preparatory Electricity

Preparatory Electricity

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a manual for junior high schools, technical high schools, and introductory courses in applied electricity Beverly B. Burling ... Two doorbells; one 2-point battery switch; one regular push button; screws; wire; staples; tools; etc. 1. Complete ... Put up all the wiring according to your diagram, and properly fasten with staples. 4.

Title:Preparatory Electricity
Author:Beverly B. Burling
Publisher: - 1928


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