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I1 - Inventions/Developments - Special tranformer for P.A. Oil Co

Description: I1 - Inventions/Developments - Special tranformer for P.A. Oil Co. - end view of coil.
Type: Visual Materials(Opens in new tab)
Date: 4/12/1928
Call number: photCL SCE 02 - 15459
Find out more: View in the Huntington Digital Library(Opens in new tab); View in the Library catalog(Opens in new tab)

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