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Alla auktioner / Nautica/Technica & Optik / 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
Utropspris:SEK 530.74
Till auktionenVisa alla föremål frånGardiner HoulgateellerNautica/Technica & Optik
Utropspris:
SEK 530.74
OCT 8 | 3:00 PM
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