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2006-06-11 01:01:29 · 4 answers · asked by Greg G 2 in Science & Mathematics Other - Science

4 answers

Dr. Jeorge valvus in the year 1872, when they had to construct an irrigation system for a sugar can plantation and in the process this man invented the valve.

good luck.

2006-06-11 01:07:54 · answer #1 · answered by john 6 · 0 0

Mr. Threshal Valve

2006-06-11 01:04:46 · answer #2 · answered by Anonymous · 0 0

If you are asking of the 'thermionic valve' or 'electron tube' as it's known in America, my guess would be Edison, who noted the diode effect, then promptly forgot about it, followed by Fleming, who devised the first triode, thereby creating the basis of the amplifier.

Ouzinki

2006-06-15 15:51:57 · answer #3 · answered by Ouzinki 2 · 0 0

I think it was Val(ve) KIlmer. HA HA

2006-06-11 01:05:51 · answer #4 · answered by 38C 6 · 0 0

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