This is an original zig zag clock used to confound the uboat packs in the Atlantic during WW2.
This Clock is from WW2 being made in 1939/40, Mercer were the only maker of specialist electrical contact clocks that would be used for the zig zag manoeuvre where convoys change course at a specific time to confound the tracking Uboats. Although completely original and a piece of WW2 Maritime history this Clock has lost its indicators over time and is not currently in working order. It also needs a replacement glass.
*Condition*
This clock has no internal workings and the glass is missing, however it is still an important historical item.
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