Electrical apparatus [electronic resource].
Material type: Continuing resourcePublication details: [Chicago], [Barks Publications]Subject(s): Genre/Form: DDC classification:- 621.31/042/05
- TK1 .E2517
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Includes supplemental inserts titled Electric heat which appear in issues for odd-numbered months beginning with Sept. 1974 issue.
1974-78, in v. 31, no. 10.
13th issue called Electromechanical bench reference.