Search Results | Hagley Digital Archives

Title: Pressure/Stroke study showing normal combustion/detonation
Date(s): 1880/1920, 1880, 1920
Contributor(s): Du Pont, Edmond, 1906-1996 (former owner)
Collection ID: Edmond Rhett du Pont photograph collection (Accession 1972.238)
Hagley ID: 1972238_192
Collection: Edmond Rhett du Pont photograph collection

Title: Engine used in study
Date(s): 1880/1920, 1880, 1920
Contributor(s): Du Pont, Edmond, 1906-1996 (former owner)
Collection ID: Edmond Rhett du Pont photograph collection (Accession 1972.238)
Hagley ID: 1972238_189
Collection: Edmond Rhett du Pont photograph collection

Title: Pressure study: normal combustion and detonation time study
Date(s): 1880/1920, 1880, 1920
Contributor(s): Du Pont, Edmond, 1906-1996 (former owner)
Collection ID: Edmond Rhett du Pont photograph collection (Accession 1972.238)
Hagley ID: 1972238_191
Collection: Edmond Rhett du Pont photograph collection

Title: Ignition study
Date(s): 1880/1920, 1880, 1920
Contributor(s): Du Pont, Edmond, 1906-1996 (former owner)
Collection ID: Edmond Rhett du Pont photograph collection (Accession 1972.238)
Hagley ID: 1972238_190
Collection: Edmond Rhett du Pont photograph collection

Title: Comparative anti-knock value of various anti-knock compounds to produce a given anti-knock value
Date(s): 1880/1920, 1880, 1920
Contributor(s): Du Pont, Edmond, 1906-1996 (former owner)
Collection ID: Edmond Rhett du Pont photograph collection (Accession 1972.238)
Hagley ID: 1972238_195
Collection: Edmond Rhett du Pont photograph collection

Title: Organization chart for map
Date(s): 1956-04-16
Contributor(s): Pennsylvania Railroad (Corporate Name) (originator)
Collection ID: Pennsylvania Railroad negative collection (Accession 1993.300)
Hagley ID: PRR_21073
Collection: Pennsylvania Railroad negatives

Title: Graph showing yoke distortions from strain tests performed on 1/32 scale celluloid model of Hale Telescope
Date(s): 1936/1937, 1936, 1937
Contributor(s): Westinghouse Electric & Manufacturing Company. South Philadelphia Works. (originator)
Description: The 1/32 scale model of Hale Telescope was constructed by Westinghouse Electric Corporation engineers to test design utility and points of stress. Text from image: '200 in Telescope, Yoke Distortions Due to Weight of Tube and Yoke, From Tests on Celluloid Model.'
Collection ID: Westinghouse Electric Corporation Steam Division photographs (Accession 1969.170)
Hagley ID: 69170_P27667
Collection: Westinghouse Electric Corporation Steam Division photographs