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James A. Van Allen journal, December 1954-October 1955
Page 48
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Checking Barometers 21 April 1955 ￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣ Mercury Barometers: (Welch-Navy) -------------- My office 29.154 at 78 degrees Fahrenheit -0.129 <----- Smithsonian Tables ¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯ 29.025 South Lab 29.137 at 75.5 (up one floor) -0.123 ￣￣￣￣ 29.014 North Lab 29.119 at 74 degrees (up one floor) -0.119 ￣￣￣￣ 29.000 By Smithsonian tables. 950 feet/inch at this altitude 15 feet = 15/950 = 0.016 inches
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Checking Barometers 21 April 1955 ￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣ Mercury Barometers: (Welch-Navy) -------------- My office 29.154 at 78 degrees Fahrenheit -0.129 <----- Smithsonian Tables ¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯ 29.025 South Lab 29.137 at 75.5 (up one floor) -0.123 ￣￣￣￣ 29.014 North Lab 29.119 at 74 degrees (up one floor) -0.119 ￣￣￣￣ 29.000 By Smithsonian tables. 950 feet/inch at this altitude 15 feet = 15/950 = 0.016 inches
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