[Trade Journal]
Publication: Electrical Industries
Chicago, IL, United States
vol. 1, no. 7, p. 137, col. 1
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MR. FOREE BAIN has recently brought out a motor dynamo, a machine which can be used as either a motor or dynamo. A description of this machine appears in another column. So far as it has been tested, it is said to give great efficiency, and its growing success will be watched with special interest.
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