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James A. Van Allen journal, October 1955-March 1958
Page 249
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by a sledge hammer when burning of the Nike resumed! Overall : A quite sad case! Should bear down on booster's quality & reliability. Instrumentation on board this rocket: (McDonald - [Naugle?]) 1) Principal experiment: A recoverable "camera" containing about 15 ft of 35 mm (?) nuclear emulsion on flexible backing. At nose cone ejection (~220,000 ft on up leg) the film is transported by an aperture at ~1 inch squared per second. Purpose to prove in the system for auroral radiation detection by direct emulsion tracks of particles (Fort Churchill) and to detect
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by a sledge hammer when burning of the Nike resumed! Overall : A quite sad case! Should bear down on booster's quality & reliability. Instrumentation on board this rocket: (McDonald - [Naugle?]) 1) Principal experiment: A recoverable "camera" containing about 15 ft of 35 mm (?) nuclear emulsion on flexible backing. At nose cone ejection (~220,000 ft on up leg) the film is transported by an aperture at ~1 inch squared per second. Purpose to prove in the system for auroral radiation detection by direct emulsion tracks of particles (Fort Churchill) and to detect
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