Scientific American 1894-11-17

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✔ S - small (286 x 432)
✔ M - medium (393 x 594)
✔ L - large (501 x 756)
✔ XL - extra large (608 x 918)
✔ Original (650 x 980)

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The manufacture of burglar-proof vaults. Door and jamb. Composite plates. Hand-fitting doors and safe vestibule. Butting edges of plates. Screwing up door with ratchet screw driver.

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: Monday 30 November 2009
Posted on: Monday 30 November 2009
Tags: bank, finance, money, protection, safety, treasury
Albums: General Magazines / Science and Technology Magazines / Scientific American
Visits: 1581