21 Mar
1998
21 Mar
'98
12:43 a.m.
At 22:44 3/20/98 +0000, you wrote:
Exactly. In the particular case of the Friden it was called a supersonic
delay line, although I've never been sure why.
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(a)chac.org
http://www.chac.org/index.html
Computer History Association of California
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. 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.