Paper deals with conditions which are liable to trouble of various kinds of electric circuits of railway signals and other safety appliances and measures for preventing trouble; circuits devised for saving cost of appliances, illustrated by example.
Electric circuits of railway signals and other safety appliances
Japanese Gov Rys -- Bul
Japanese Government Railways -- Bulletin ; 28 , n 7
1940
16 pages
Aufsatz (Zeitschrift)
Japanisch
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