Trying to gain design-ins in the smart appliance market, International Rectifier Corp. has entered a joint venture with Sanyo Semiconductor to design, develop, and market electronic motor drive power ...

THIS is a useful little book and will be helpful to electrical engineers, physicists, and radio amateurs. The electrical engineer will appreciate the theory and the method described of using a ...

Single-ended tube with a brass admedium base insulated skirt and two glass insulators. Tipless T-shaped envelope. 1 amp rating. Donor’s card reads: “Tungar rectifier bulb made by the General Electric ...

Founded in 1921, Society for Science & the Public's mission is to advance public understanding and appreciation of scienceamong people of all ages through publications and educational programs. A ...

A 4-pin plastic base with top contact, ceramic insulator, S-shaped envelope. Donor’s card reads: “Half-wave mercury rectifier made by the Western Electric Company about 1935. Filament: 2.5 volts at ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...