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C. F. Swingle

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Twentieth Century Hand-book for Steam Engineers and Electricians, With Questions and Answers ..
Electrical Workers' Standard Library, Vol. 3 A Complete Series of Practical Text Books Prepared Especially for the Use of Electricians, Engineers, Mechanics, Students, Telegraph and Telephone Operators and Anyone Interested in Electricity; Operation of D
Electrical Workers' Standard Library, Vol. 3 A Complete Series of Practical Text Books Prepared Especially for the Use of Electricians, Engineers, Mechanics, Students, Telegraph and Telephone Operators and Anyone Interested in Electricity; Operation of D
Twentieth Century Hand-Book for Steam Engineers and Electricians, with Questions and Answers . .