Entered at the Post Office of New York N Y. as Second Class Matter. Copyright 1897 by NItiiin lt Co- Vol. LXXVIINo. Fig. 1. HOW TO BUILD A SMALL ALTERNATING CURRENT DYNAMO WITHOUT CASTINGS. BY NEVIL MONROE HOPKINS. (Continued on page 165.) A ROME-MADE ALTERNATING CURRENT DYNAMO., scientific american, 97-09-11

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Entered at the Post Office of New York N Y. as Second Class Matter. Copyright 1897 by NItiiin lt Co- Vol. LXXVIINo. Fig. 1. HOW TO BUILD A SMALL ALTERNATING CURRENT DYNAMO WITHOUT CASTINGS. BY NEVIL MONROE HOPKINS. (Continued on page 165.) A ROME-MADE ALTERNATING CURRENT DYNAMO., scientific american, 97-09-11

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