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James A. Van Allen journal, December 1954-October 1955
Page 43
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Field Allowance : 200 standard cylinders for six 551A balloons or 33.3 cylinders/balloon From "Airco" catalog: Type "G" Cylinder 8.5 inches x 55 inches Type "H" Cylinder 9 inches x 55 inches G cylinder of Helium 1650 p.s.i. at 70 degrees Fahrenheit (21 degrees Celsius) 146 cubic feet H cylinder of Argon 2000 p.s.i. 70 degrees Fahrenheit 200 cubic feet H cylinder of air 1800 p.s.i. 70 degrees Fahrenheit 187 cubic feet No comment on whether volume was also measured at 70 degrees Fahrenheit or (32 degrees Fahrenheit), but presumably at 70 degrees Fahrenheit ------------------------
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Field Allowance : 200 standard cylinders for six 551A balloons or 33.3 cylinders/balloon From "Airco" catalog: Type "G" Cylinder 8.5 inches x 55 inches Type "H" Cylinder 9 inches x 55 inches G cylinder of Helium 1650 p.s.i. at 70 degrees Fahrenheit (21 degrees Celsius) 146 cubic feet H cylinder of Argon 2000 p.s.i. 70 degrees Fahrenheit 200 cubic feet H cylinder of air 1800 p.s.i. 70 degrees Fahrenheit 187 cubic feet No comment on whether volume was also measured at 70 degrees Fahrenheit or (32 degrees Fahrenheit), but presumably at 70 degrees Fahrenheit ------------------------
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