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Mystery Solved May 2014 Mystery Tool Answers

April 2014 Mystery Tool AApparatus for use in repairing commutators, used in connection with the overhaul and repair of direct current and universal motors and generators. In such undertakings, it was generally necessary to resurface the device’s commutator. Identified by Gerald Sundberg, Deluth, Minn. See patent no. 2,170,389. Photo submitted by Dale Will, Caro, ...

Farm Collector Staff | Jun 18, 2014

Farm Collector Magazine

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