Mercury Switch Find

Digging through a seldom-used parts bin, I made a cool discovery: a set of four mercury switches, still intact:

These are used as tilt and vibration sensors in mechanical systems. They’re heavy from the mercury inside, and it sloshes around with a very satisfying motion. I’m not sure I’ll ever need these for repairs, but they’re probably worth keeping in a drawer!

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3 Responses to Mercury Switch Find

  1. Richard says:

    I once owned a Studebaker Avanti and the truck light was activated by a Mercury switch. I suspect this was standard for many old cars.

    • David DeRosier says:

      It is possible there are other cars out there with the same design. You could advertise them on Ebay. Dave

  2. David DeRosier says:

    Maybe one of your readers will have a use for them.

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