Illustrated description of thermoelectric engine heater and battery charger, which, when fitted to motor vehicle and attached to electric mains, will keep engine water system hot and continuously circulating; at same time and at no extra cost, battery is charged and maintained at maximum efficiency.
Caldwell engine heater and battery charger
Passenger Transport J
Passenger Transport Journal ; 89 , n 2249 ; p 99-103
1943
5 pages
Article (Journal)
English
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