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From: Walter Banks <walter@bytecraft.com>
Newsgroups: comp.misc,alt.sys.pdp11,alt.folklore.computers
Subject: Re: Revamped PDP-11 in Brooklyn
Date: Mon, 26 May 2014 11:27:32 -0400
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Rich wrote:

> And "tubes" (at least the classic round tubuarl looking vacuum tubes)
> are made from a piece of glass tubing, sawn off a larger piece, with
> the ends eventually sealed shut.

Many years ago I visited the BBC shortwave transmitter site in
Daventry England.

When you walked up the hill to the transmitting site you could
hear the news of the day with ionized air acting like a very over
driven very inefficient transducer. The station engineer a friend
of my father in law took me into the transmitter room and announced
that I was unlikely to ever see that much RF again. The finals used
an overhead crane to swap them out. Mostly glass tubes

w..