Last typewriter factory in the world shuts its doors

[Lennart Sorensen]

On Fri, Apr 29, 2011 at 01:40:47PM -0400, phiscock-g851W1bGYuGnS0EtXVNi6w at public.gmane.org wrote:
> Vacuum tube audio amplifiers. I'm waiting for someone to come out with a
> vacuum tube version of the iPod. There is enough of a resurgence in
> interest that there is at least one technical book on their design, and
> Creatron (on College at Spadina) is selling vacuum tubes. There are also
> some low-voltage battery-operated models of tubes, one of which is the
> basis for an educational kit.

I thought vacuum tubes needed heaters to keep them working, which sounds
rather counter to a portable battery powered device.  Also, why bother
with a good amplifier if you start of with compressed to death input.
Garbage in equals garbage out after all.

> Relay computers. There are some astonishing examples of relay-based
> computers done by hobbyists.

-- 
Len Sorensen
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