1992 - Volume #16, Issue #4, Page #28
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Powered Jar Opener
An Illinois farmer who wanted to make it easier for his wife to open tightly sealed bottles and jars has come up with a first-ofits-kind powered jar opener that applies motorized power to a jar-opening cone.
William Jones built his first prototype using a washing machine motor, an air conditioner clutch and othe..........


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1992 - Volume #16, Issue #4