Disston, Inc.

James E Grimes

Joseph W Rovan

A power pack unit includes a casing and cover and a transformer subassembly having a molded bobbin of insulating material which receives primary and secondary lugs, a selected primary and a secondary winding configuration, laminations, A.C. terminals, connecting wiring, and a bobbin-mounted switch. This switch is positionable external of the casing for connecting selected primary or secondary taps as required to accommodate to a particular A.C. supply, i.e., 110 or 220 volt A.C., or to provide a selection of A.C. or D.C. output voltages.

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Anaheim, CA, United States of America

James E Grimes