Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 140
• \ « 4 -- -s—J—a~ ^ a I Viiii*.iii Vlflli-i>ll« i « *«reK:?S?SE JIT*- j.«s«l.MSJ6l««tlH!»!K«*;>^Si.<ffll to ^5 3 -S ^b5 … 123 26 SWITCHBOARDS Switchboard Equipment for Rotary Converters. Rotary con-verters are coming largely into use for lighting service in thelarger cities, especially since the introduction of the regulating poleand synchronous booster rotary converters. They may be usefulfor either two-wire or…
Electrical engineering
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