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[Electric engineering.] (1902)
International Library of Technology · Scranton, International Textbook Co. · leaf 569
![An illustration from [Electric engineering.], 1902, leaf 569](https://img.insideoutlibrary.com/img/1024/ia-electricengineer03inte-569-340.webp)
Fig. 22. any woodwork, pipes, or any other thing exceptinsulating supports.Electrical engineering
Internet Archive · Boston Library Consortium · Public Domain Mark 1.0. Free to use for anything.
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