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- · New York, T. Audel · leaf 75
of aa decade can be connected in series or inparallel, and it then becomes an advantage to have ten coils to a decade, since the coils inone decade in parallel equal one of the coils of the next lower decade. When these latteradvantages are not required, and especially when dials or sliding… … imnrlnnriUrij /O /O M lO /O /O /O lO /O
Electrical engineering
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