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Article #15276

Valves (was Re: Tube primer?)

#15276
From: George L
Date: Sun, 22 Nov 1992 07:52
28 lines
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In article <1emj5lINNmlr@usenet.INS.CWRU.Edu> wb8foz@skybridge.scl.cwru.edu (David Lesher) writes:
>Others said
># So, a tube works more like an FET from a practical
># standpoint.
>
>Sigh....
>Am I the only one on the Net old enough to recall FETs being
>explained as working just like tubes......

I remember reading some years back about giant pnuematic speakers that were 
driven with water pressure. I can't recall anything about what was driving 
them, but there were some pictures of some boats that had these huge horns 
on top of them. I think these experiments were done on the Great Lakes.

So how does this relate? Maybe it doesn't, but I imagine these speakers were 
driven by something like the pnuematic equivalent of a tube. Maybe the valve 
term is related to this?

Anyone out there old enough to remember anything about this?
>
>--
>A host is a host from coast to coast..wb8foz@skybridge.scl.cwru.edu
>& no one will talk to a host that's close..........................
>Unless the host (that isn't close).........................pob 1433
>is busy, hung or dead....................................20915-1433

Thanks,
george@alpha.ee.ufl.edu
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Message-ID: <1992Nov22.075213.8920@eng.ufl.edu>
Path: arc1-ca.pugleaf.net!sparky!uunet!dtix!darwin.sura.net!eng.ufl.edu!news
References: <1992Nov14.073048.5200@weyrich.UUCP> <1992Nov19.212057.29180@mav.com> <1emj5lINNmlr@usenet.INS.CWRU.Edu>

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Path: arc1-ca.pugleaf.net!sparky!uunet!dtix!darwin.sura.net!eng.ufl.edu!news
From: george@beta.ee.ufl.edu (George L)
Newsgroups: sci.electronics
Subject: Valves (was Re: Tube primer?)
Message-ID: <1992Nov22.075213.8920@eng.ufl.edu>
Date: 22 Nov 92 07:52:13 GMT
References: <1992Nov14.073048.5200@weyrich.UUCP> <1992Nov19.212057.29180@mav.com> <1emj5lINNmlr@usenet.INS.CWRU.Edu>
Sender: george@alpha.ee.ufl.edu
Organization: EE Dept at UF
Lines: 28