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A REFERENCE BOOK FOR PRACTICAL
ELECTRICAL WORKERS
BY
TERRELL CROFT
Consulting Electrical Engineer
First Edition
Fifth Impression
Total Issue, 28,500
McGRAW-HILL BOOK COMPANY, Inc.
239 WEST 39TH STREET, NEW YORK
LONDON: HILL PUBLISHING CO., Ltd.
6 & 8 BOUVERIE ST., B. 0.
1913
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