I am looking to sell this instrument, but it has no part numbers or any other identifying marks other than it says "Kollsman" on the back. Anyone know what it is and what it might be worth?
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2$\begingroup$ "Anyone know what it is and what it might be worth?" -yes. $\endgroup$ – quiet flyer Jan 27 at 23:16
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$\begingroup$ $175 aeroantique.com/collections/artifacts-that-have-moved-on/… $\endgroup$ – Mike Sowsun Jan 28 at 0:01
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$\begingroup$ I will give you $50 for it. $\endgroup$ – Michael Hall Jan 28 at 3:12
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1$\begingroup$ Both needles are pointing to -5 in a 1G environment, which suggests to me that perhaps the instrument may be broken. One of those needles should be pointing to "1". $\endgroup$ – Dan Pichelman Jan 28 at 12:43
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$\begingroup$ aviation.stackexchange.com/help/someone-answers $\endgroup$ – Peter Duniho Jan 29 at 16:32
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As the face says, it's a "G meter", aka "accelerometer". It measures vertical acceleration in units of "G" (i.e. acceleration due to gravity, 9.8 m/s^2 or 32 f/s^2).
Price would vary, but here's a site with a similar instrument which sold for $75 when it was in stock: https://aeroantique.com/products/accelerometer-g-meter-1?variant=39681371274
