This affair count like a cross between a gun , some eldritch preparation utensil , and an detailed medical instrument . It is of course none of those things : but can your figure out out what it was used for ?
struggle ? Well , it is in fact an eprouvette : an erstwhile - sentence equipment that was used to test the durability of powder . Fill the gadget with ‘ powder , fire it , and the detonation in the barrel crusade the bore out ; the further it sweep , the stronger the gun powder . [ National Firearms MuseumviaNeatorama ]
Image from theNational Firearms Museum
gunsTestingWhat Is
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