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Todas las subastas / Naútica, técnica & óptica / C.F. Palmer of London electro-mechanical time/signal switch,...


C.F. Palmer of London electro-mechanical time/signal switch, circa 1940s, 4.5" square ** A pair of electrical contacts connected to the pallets of the spring driven thirty hour pin pallet movement energises a coil, advancing a drum once per second. This action is the same mechanism as in a Synchronome slave clock. The drum is fitted with projecting nibs which operate contacts to provide outputs at one second, ten second or one minute intervals ** From the David Read Collection
Estimación:€47.13
Ir a la subastaVer todos los artículos deGardiner HoulgateoNaútica, técnica & óptica
Estimación:
€47.13

OCT 8 | 3:00 PM
¡Lleva tu subasta a coleccionistas de todo el mundo!
Publica ahora