Posted by R Heath on September 11, 2007 at 08:01:06 from (205.188.116.73):
In Reply to: positive ground posted by Jayrod on September 10, 2007 at 20:59:22:
The convential electron flow theory - positive to negative - was thunked up by whoever invented electricity - Enstein, Capernecous, Isaac Newton, or someone. Hole flow theory was developed by the Navy. Now the way it might work is to envision a pipe completely full of tennis balls. Shove one more ball into the pipe and one pops out the other end. Fine theory but electrons ride the exterior of the conductor not the interior. However when the ball is fixing to pop out it leaves a hole which flows backwards, grabs a tennis ball to replace the popped ball.
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Today's Featured Article - The Cletrac General GG and the BF Avery A - A Bit of History - by Mike Ballash. This article is a summary of what I have gathered up from various sources on the Gletrac General GG and the B. F. Avery model A tractors. I am quite sure that most of it is accurate. The General GG was made by the Cleveland Tractor Company (Cletrac) of Cleveland, Ohio. Originally the company was called the Cleveland Motor Plow Company which began in 1912, then the Cleveland Tractor Company (1917) and finally Cletrac.
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