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From OHO - search engine for sustainable open hardware projects
This page provides a simple browsing interface for finding entities described by a property and a named value. Other available search interfaces include the page property search, and the ask query builder.
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- A Homemade Vacuum Pump and Air Pump - Do It Yourself ... + (It doesn't take much cash or time to recyc … It doesn't take much cash or time to recycle an old refrigerator into a homemade vacuum pump and air pump.<br/><br/> January/February 1981<br/><br/>The completed air pump/vacuum pump at work inflating a tire.<br/><br/>Diagram shows the parts and assembly method...ng a tire.<br/><br/>Diagram shows the parts and assembly method...)