Collection guides and finding aids : Research and Invention

Geoffrey Austrian Research Notes on Herman Hollerith - [punch cards and data processing]

Harry F. Brown Papers [railroad electrification]

Henry Hemmendinger Papers [color science]

Jackson Hunsicker Papers [Memo Mate]

Elmer Ambrose Sperry Papers [Sperry Gyroscope Company]

Additional guides, finding aids, and other resources

Additional material related to research and invention may be available at the Hagley Library. For more information contact us: Ask Hagley.

From Hagley's Pictorial Collections

Stine Laboratory. DuPont Company Public Relations Department, HF_C019_024.
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