Antique radios, Old Time Radios
1P29
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Country:
United States of America (USA)
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| Identical to |
1P29
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| First Source
(s) |
15.Aug.1944 : -- Original-techn. papers.
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| Base |
UX-Base (4 Pins (2 thick, USA 1924, UX)
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| Filament |
--/-- |
| Description |
Gas phototube for colorimetric applications, violet-green, side-on type having a S-3 spectral response. Also made by GE and Westinghouse. Wavelength of maximum spectral response is 4200 +/- 1000 angstroms. This type makes use of a semicylindrical photocathode, and has a direct interelectrode capacitance of 3 picofarads. Anode-supply voltage DC/peak AC between max 80-100 volts.
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Dimensions (WHD)
incl. pins / tip |
30 x 105 x mm / 1.18 x 4.13 x inch |
| Weight |
31 g / 1.09 oz |
| Information source |
- - Manufacturers Literature RCA Phototubes and Photocells PT-60
Tube Lore (I)
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Just Qvigstad
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1P29: RCA
Patrice Zeissloff
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