Powder-Tester (c. 1700). Powerful steel spring att

Made:
1700

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Powder-Tester (c. 1700). Powerful steel spring attached to an arc along which is a brass wire, with a moveable leather washer. The powder for testing is fired in the small brass mortar when the spring and arc are blown backwards, and its force is registered by the position of the washer on the divided arc

Details

Category:
Experimental Chemistry
Object Number:
1993-1347
type:
powder tester
credit:
National Maritime Museum