A Nice Quality Antique English Percussion Eprouvette Powder Tester circa 1850
These instruments were produced so that the quality of gunpowder could be tested. It takes the form of a boxlock percussion pocket pistol but in place of a barrel, it has a short spout with a circular graduated wheel and buffer suspended under the spout. The spout is loaded with powder and the buffer is closed. When the action is fired, the wheel rotates and records the explosion strength on the wheel numbered 1-6.
Constructed mainly from engraved brass with steel hammer and walnut grip. Fine Condition. OA 14cm
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