Purpose and general plan of test; description of relays; wiring diagram; readings during test; results and conclusions. (See also Univ Illinois -- Eng Experiment Station -- Bul n 88 v 29 n 250 July 1 1932 18 p)
Test of durability of signal-relay contacts
Ry Signaling
Railway Signaling ; 26 , n 8
1933
2 pages
Aufsatz (Zeitschrift)
Englisch
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Effect of loading on durability of relay contacts used in automatic railroad signaling systems
Engineering Index Backfile | 1959
|Kraftfahrwesen | 2005
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