Dating solder top cans


03-Dec-2017 20:12

This can had a large hole in the top (duh) through which the food was put into the can.Then, a flanged lid with a pinhole was soldered onto the hole.During processing, when enough steam had escaped, a drop of solder was put on the hole to seal the can.

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When Matthew Broderick needed to hack the payphone in , his tool was right at his feet. Napoleon spurred the search for preserving food when he offered a prize to the first person to come up with a way to preserve food for his armies. The next year, Peter Durand patented a tin-plated iron can for use as a food container, and in 1818 introduced the tin-plated can to America.