Can opener
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A can opener or tin opener is a mechanical device used to open metal tin cans. Although preservation of food using tin cans had been practiced since at least 1772 in the Netherlands, the first can ope
A late-20th-century Bunker style can opener with a rotating cutting wheel and a counter-rotating serrated wheel, for left-handed use
Peach can, September 5, 1856
"Simplex" can sealing machine
A twist-key can opener
P-38 can opener
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The P-38 is a foldable carbon steel can opener that was issued with canned United States military rations from its introduction in 1942 to the end of canned ration issuance in the 1980s. Originally di
Can opener
…one of the most popular can opener models. Around the time of World War II, several can openers were developed for military use, such as the American P-38 and P-51. These featured a robust and compact design with a pull cutting blade hinged to a corrugated handle with a pivot. Electric can openers were…
The P-38 can opener is 1.5 inches (38 mm) long. A U.S. penny is shown for scale
Size comparison of P-51 and P-38 openers
A standard issue "FRED" can opener of the Australian Defence Force.