Thread: The first pocket pistol, sort of.....
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Old 02-29-2012, 09:03 PM
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deadin deadin is offline
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That is what is called an Eprouvette (spelling?). It is a black powder tester. Back in its day different batches of black powder weren't necessarily all of the same power. This device allow powder to be tested for "burn rate".
They are fairly scarce, but I have no idea of value.
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Last edited by deadin; 02-29-2012 at 09:05 PM.
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