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R.A.F. Henlow Signals Museum Equipment for sale |
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Rheostat GPO Type F
Make us a sensible offer for this item (including shipping) Uses three sets of resistors using manganin wire wound on ceramic bobbins. The first set of resistors goes from 40 to 400 ohms in 40 ohm steps, the second set goes from 400 to 4000 ohms in 400 ohm steps. The third set of resistors of uses 4000 20 10 4 3 2 and 1 ohm switched in and out by use of shorting plugs giving a total resistance of 8440 ohms. |
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