The basic idea, to my knowledge, was Guanella's. He patented it in 1943. A guy by the name of Donald McClure extended the idea to non-integer ratios in 1972.
Jeroen Belleman
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15 years ago
The basic idea, to my knowledge, was Guanella's. He patented it in 1943. A guy by the name of Donald McClure extended the idea to non-integer ratios in 1972.
Jeroen Belleman
That is slick. I will remember that one.
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