A POWDER-TESTER, comprising a V-shaped steel spring, one arm slotted for an iron arc, bolted to the other arm and terminating in a shaped hammer forming a lid over the brass muzzle, in front of a brass arc engraved with a scale, working in a slot in the other arm of the spring, and accompanied by a brass wire for a marking rider, 19th Century | Christie's

拍品 205

205

A POWDER-TESTER, comprising a V-shaped steel spring, one arm slotted for an iron arc, bolted to the other arm and terminating in a shaped hammer forming a lid over the brass muzzle, in front of a brass arc engraved with a scale, working in a slot in the other arm of the spring, and accompanied by a brass wire for a marking rider, 19th Century

细节

A POWDER-TESTER, comprising a V-shaped steel spring, one arm slotted for an iron arc, bolted to the other arm and terminating in a shaped hammer forming a lid over the brass muzzle, in front of a brass arc engraved with a scale, working in a slot in the other arm of the spring, and accompanied by a brass wire for a marking rider, 19th Century
5in.

拍品专文

See P.J. Wolf, 'V-spring Powder-Testers', J.A.A.S., vol.V (1965-7), pp.387-89