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James Van Allen journal, 1951?-December 1954

Page 118

dispersion but abandoned it because of too high machining tolerance. Then used simple prism spectrograph.
2.5 mm / 404[b? 6?]-4341 [A'? A exponent 1? A exponent 0?].
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Bendix-[Friez? Friey?] Thermistors

[Friez? Friey?] Instrument Division of Bendix Aviation Corporation
1422 Taylor Avenue
Baltimore 4, Maryland

[St.?] Types for Immediate Delivery

{Size (Inches)} {at +30 degrees Celsius} {at 0 degrees Celsius} {at -30 degrees Celsius}
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{ 0.140 x 0.75 } {    45.0 ohms  } {    86   } {    194   }
{   0.040 x 1.5 } { 12,250 ohms } {26,200} { 65,340 }
{  0.018 x 1.5  } { 35,000 ohms } {82,290} {229,600}
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Dr. Alexander Ellett
Zenith Radio Company
6001 West Dickens Avenue
Chicago 39, Illinois
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[arrow pointing from next page to here:]
1922
[phi?] = 78.5 degrees North, lambda=291. degrees East

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dispersion but abandoned it because of too high machining tolerance. Then used simple prism spectrograph. 2.5 mm / 404[b? 6?]-4341 [A'? A exponent 1? A exponent 0?]. ------------------------------------------------------------------- Bendix-[Friez? Friey?] Thermistors [Friez? Friey?] Instrument Division of Bendix Aviation Corporation 1422 Taylor Avenue Baltimore 4, Maryland [St.?] Types for Immediate Delivery {Size (Inches)} {at +30 degrees Celsius} {at 0 degrees Celsius} {at -30 degrees Celsius} --------------------------------------------------------------------- { 0.140 x 0.75 } { 45.0 ohms } { 86 } { 194 } { 0.040 x 1.5 } { 12,250 ohms } {26,200} { 65,340 } { 0.018 x 1.5 } { 35,000 ohms } {82,290} {229,600} ---------------------------------------------------------------------- Dr. Alexander Ellett Zenith Radio Company 6001 West Dickens Avenue Chicago 39, Illinois --------------------------------------------------------------------- [arrow pointing from next page to here:] 1922 [phi?] = 78.5 degrees North, lambda=291. degrees East