Antique radios, Old Time Radios
6291
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Country:
United States of America (USA)
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| Identical to |
6291
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| Filament |
--/-- |
| Description |
10-stage photomultiplier with a S-11 spectral response. Has a flat end-window photocathode, with average sensitivity of 60 microamperes per lumen. The focusing shield is internally connected for optimum photoelectron collection.
Used in astronomy, biology, nuclear physics, medicine, and other industrial needs.
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Dimensions (WHD)
incl. pins / tip |
x 121 x 38 mm / x 4.76 x 1.50 inch |
| Information source |
- - Manufacturers Literature Dumont Multiplier Photo-tubes 1955
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