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Gunpowder industry

 Subject
Subject Source: Library of Congress Subject Headings

Found in 1 Collection or Record:

Willis F. Harrington engineer's notebook

 Collection
Accession: 2440
Abstract:

Engineer's notebook kept by future DuPont Company vice president Willis F. Harrington (1882-1960) while an entry-level engineer at the Barksdale Works in Wisconsin.

Dates: 1905-1907