Installation consists of use of tractors of "walkie" type to tow, as trailers, hand trucks already in use; tractors are powered by 10-cell, 12-v D6A Edison nickel iron alkaline storage batteries each of 450amp-hr capacity; trucking time is cut in half.
Post office department applied power trucking to handling of parcel post in Baltimore
Storage Battery Power
Storage Battery Power ; 22 , n 4
1952
3 pages
Aufsatz (Zeitschrift)
Englisch
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