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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.
List of results
- 1942 Homemade Battery Charger OneTubeRadio.com + (Radio - Emergency Preparedness - Scouting - Law - Politics<br/><br/>The plans for this battery charger appeared in 75 years ago this month, October 1942.<br/><br/>The only electronic part necessary to construct the charger was a GE tungar bulb. The...)