Edison's discovery that current can travel through a vacuum didn't turn out to be very useful information until 1904. That's when a British scientist named John A. Fleming made a vacuum tube known today as a diode. Then the diode was known as a valve, because it forced current in the tube to travel exclusively in one direction.
Many years, before solid state TVs vacuum tube diodes were used. They also made dual diodes, 2 diode tubes in one case.
A diode is a device that allows flow of current in one direction only. A rectifier is a diode that is able to convert the current from AC to DC.
Rectifier-diode.....diode-rectifier. What's your point???
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Today's Featured Article - Women and Tractors, A Woman's Touch - by Teri Burkholder. I thought I would give you a little background on how I got myself hooked on tractors and their restoration. My family is a very "crafty" bunch of people. By crafty I mean good with crafts!! My Dad is a retired industrial engineer from Bucyrus Erie which made big shovels for excavating and he is also a wonderful wood worker. My mom and my "guardian angel" has had her own ceramic shop for 30 years and is an excellent painter. With these skills always active in our house it was hard not t
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