Electrical engineer's pocket-book: a hand-book of useful data for electricians and electrical engineers (1901)
Foster, Horatio A. (Horatio Alvah), 1858-1913 · New York, D. Van Nostrand co.; London, E.& F.N. Spon, ltd. · leaf 610
eve supporting a roundcarbon contact block with a hole through its center. The longer pole isprovided with spring jaws or clips so that it may be quickly and easilyattached to, or detached from, the terminals on the marble base. The shortpole has a flexible wire running through its interior ; this… … Amperes. AVide Open. Closed. When See.ContactsTouch. A 2§ bo ! TlT 8 32 7B!T 77 D E r3e F D 150- 2000 ftof 1 i7sto£ 1800- 3000 11 Stoi 1 2000- 6000 1* |to* 1 2000-10000 I Mi H 1 to | 1 NOTE — B is dimension when parts are new.First, Adjust E.Second, Adjust Brush Tension.Third, Adjust C.FIG. 14.…
Electrical engineering
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