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Oral History Interview with Karel Dahmen, April 20, 2011

Description: The National Museum of the Pacific War presents an oral interview with Karel Dahmen. Dahmen was born in the Netherlands and witnessed the bombing of Rotterdam in May 1940. He recalls the chaos of fires burning and people being shot. With two friends he quickly manned a vacant boat and carried 45 Jews across the North Sea to England, using only a compass and school atlas for navigation. He joined the Dutch Navy in February 1941 and was assigned to HNLMS Jacob van Heemskerck as a radar operator. … more
Date: April 20, 2011
Creator: Dahmen, Karel
Partner: National Museum of the Pacific War/Admiral Nimitz Foundation

Clamp for Spirit-Levels.

Description: Patent for clamps for spirit levels that allow a spirit level to be attached directly to a straight edge so that one person could safely use both the straight edge and the spirit level simultaneously. Additionally, the clamp production is simple so it can be produced at a low cost.
Date: April 30, 1918
Creator: Bridgman, Jesse Everet
Partner: UNT Libraries Government Documents Department

Improvement in Throttle-Valve Stands and Stems.

Description: Patent for "a new arrangement of support for the stem of a throttle-valve, and has for its object to facilitate the lubricating of the screw and cause the parts to be firmly held in place." (Lines 19-23) Includes instructions and illustrations.
Date: April 2, 1872
Creator: Compant, John M. & Krauskopf, Engelbert
Partner: UNT Libraries Government Documents Department
transcript

Oral History Interview with Karel Dahmen, April 20, 2011

Description: The National Museum of the Pacific War presents an oral interview with Karel Dahmen. Dahmen was born in the Netherlands and witnessed the bombing of Rotterdam in May 1940. He recalls the chaos of fires burning and people being shot. With two friends he quickly manned a vacant boat and carried 45 Jews across the North Sea to England, using only a compass and school atlas for navigation. He joined the Dutch Navy in February 1941 and was assigned to HNLMS Jacob van Heemskerck as a radar operator. … more
Date: April 20, 2011
Duration: 1 hour 34 minutes 36 seconds
Creator: Dahmen, Karel
Partner: National Museum of the Pacific War/Admiral Nimitz Foundation
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