At 22:44 3/20/98 +0000, you wrote:
>> As a teen, I remember disassembling a Freiden (?) calculator, and
>> finding a wire loop memory, several circles about a foot in diameter.
>
>Probably a solid delay line store.
Exactly. In the particular case of the Friden it was called a supersonic
delay line, although I've never been sure why.
>> But the calculator collectors have their own lists, don't they?
>
>True... I'd just not object to the odd thread on [calculators]
>particularly if they were historically significant (the HP9100...),
>technically interesting, or whatever.
Hear, hear! Especially since many so-called calculators were built by
manufacturers not, for whatever reason, prepared to admit they were
building computers -- with IBM and HP springing to mind at once.
__________________________________________
Kip Crosby engine_at_chac.org
http://www.chac.org/index.html
Computer History Association of California
Received on Sat Mar 21 1998 - 00:43:43 GMT