Measuring and testing instruments used in the manufacture of naval ordnance. Adjustable head. Length of the "points." Snap gage and point. Straightness of bore.



Source: Steve Kirch, collector, and creator of a great website about SCIENTIFIC AMERICAN in the past

Restoration by: magscanner

Created on

Wednesday 27 January 2010

Posted on

Wednesday 27 January 2010

Tags

armament, artillery, barrel, cannon, guns, naval, ship, warfare

Albums

• General Magazines / Science and Technology Magazines / Scientific American

Visits

1506

Description

Measuring and testing instruments used in the manufacture of naval ordnance. Adjustable head. Length of the "points." Snap gage and point. Straightness of bore.



Source: Steve Kirch, collector, and creator of a great website about SCIENTIFIC AMERICAN in the past

Restoration by: magscanner