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The Hagley Digital Archives provides online access to selected items from the Hagley Library's collection of images, documents, and publications related to the history of business, technology, and society.
Pittsburgh street series lighting system with mazda lamps \u2026
Bulletin no. 1160.
Pittsburgh Transformer Company
1 catalog (24 pages) : ill. ; 24 cm.
Published Collections Department, Hagley Museum and Library
Trade Cat .P692 1921
[Description and dates], Hagley ID, Box/folder number, Trade Cat .P692 1921, Published Collections Department, Hagley Museum and Library, Wilmington, DE 19807
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