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A can opener is a device used to open metal cans. Although preservation of food using tin cans had been practiced since at least 1772 in the Netherlands, the first can openers were patented only in 1855.

Early Model Can Opener

A can opener is a device used to open metal cans. Although preservation of food using tin cans had been…

"The monks also became copyists, and with great painstaking and industry gathered and multiplied ancient manuscripts, and thus preserved and transmitted to the modern world much classical learning and literature that would otherwise have been lost."—Myers, 1905

Monk Copyist

"The monks also became copyists, and with great painstaking and industry gathered and multiplied ancient…