Scientific American 1899-02-25

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✔ S - small (299 x 432)
✔ M - medium (411 x 594)
✔ L - large (523 x 756)
✔ XL - extra large (635 x 918)
✔ Original (650 x 939)

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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

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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: 1247