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James Van Allen journal, 1951?-December 1954
Page 145
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makes a sudden change of reading to a new "resting" value. [sketch/picture] electrical circuit design/schematic including: B+, (b), Scaler Pulses, Pressure switch, 500, 1 μf, 100 μ, modulator tube of subcarrier [(a) may be better seen as a permanent change occurs. In ([h? b?]) only a pulse occurs -- might be missed if occurs during telemetering lapse.] On the 24th April (Saturday) called Gottlieb to pass on these ideas and urge their inclusion, also to urge to importance of a thin walled, styrofoam thimble protected counter on the extreme forward end: [sketch/picture] drawing of styrofoam around part [?]B85 with a pressure tight bulkhead a top a cylinder Point: to see if there really is an enormous intensity of very soft radiation! Also expressed some misgivings of whether definitive results can be obtained with [sketch/picture] drawing includes: photomultiplier, (Na[I? T?]), ([?]B85, ((~[2?] g)/(cm exponent 2)) on proton versus electron question --------->
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makes a sudden change of reading to a new "resting" value. [sketch/picture] electrical circuit design/schematic including: B+, (b), Scaler Pulses, Pressure switch, 500, 1 μf, 100 μ, modulator tube of subcarrier [(a) may be better seen as a permanent change occurs. In ([h? b?]) only a pulse occurs -- might be missed if occurs during telemetering lapse.] On the 24th April (Saturday) called Gottlieb to pass on these ideas and urge their inclusion, also to urge to importance of a thin walled, styrofoam thimble protected counter on the extreme forward end: [sketch/picture] drawing of styrofoam around part [?]B85 with a pressure tight bulkhead a top a cylinder Point: to see if there really is an enormous intensity of very soft radiation! Also expressed some misgivings of whether definitive results can be obtained with [sketch/picture] drawing includes: photomultiplier, (Na[I? T?]), ([?]B85, ((~[2?] g)/(cm exponent 2)) on proton versus electron question --------->
Van Allen Papers
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