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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.
Testing Blasting Machines and Blasting Circuits with Rhoestats [sic] and Galvanometers
Testing Blasting Machines and Blasting Circuits with Du Pont Rheostats and Galvanometers
E. I. du Pont de Nemours & Company
E.I. du Pont de Nemours Powder Co.
Blasting--Equipment and suppliesElectric apparatus and appliances--TestingBlasting--TestingElectric rheostatsGalvanometer
1 pamphlet (24 pages) : ill. ; 20 cm
Published Collections Department, Hagley Museum and Library
[Description and dates], Hagley ID, Box/folder number, Published Collections Department, Hagley Museum and Library, Wilmington, DE 19807
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