Sujet : Re: Reading is fundemental...
De : c186282 (at) *nospam* nnada.net (c186282)
Groupes : comp.os.linux.miscDate : 12. Apr 2025, 23:53:37
Autres entêtes
Message-ID : <KmKdnUb48NRtc2f6nZ2dnZfqnPudnZ2d@giganews.com>
References : 1 2 3 4 5 6
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On 4/12/25 5:50 AM, Woozy Song wrote:
c186282 wrote:
On 4/11/25 10:54 PM, rbowman wrote:
On Fri, 11 Apr 2025 22:00:05 -0400, c186282 wrote:
>
Jacquard inspired BABBAGE ... who designed the first real computers -
albeit in brass gears. Poor bastard HAD IT RIGHT - but didn't live
quite long enough to see electric/electronic solutions.
>
https://www.hpmuseum.org/srw.htm
>
It had an electric motor so you didn't have to crank it but it was all
gears, cams, levers, and springs. The NYS Dept. of Education was still
using them when I worked there summers in the mid-60s.
>
My university professor had a mechanical calculator in the 1970s. One of the Cortina Curta things with a crank handle on top, made in Lichtenstein. We had 2 or 3 computers on campus by then, but he loved to show it off to people.
The ones with the handle were basically "adding machines".
The 'mechanical', motor-driven, calculators looked like :
https://clarkiv.dev/public/2020-5-26/DSC_5599_2.jpg https://www.youtube.com/watch?v=j88JslB67fU The top part would slide back and forth, much whirring
and chunka-chunka.
Reading is fundemental...
Re: Reading is fundamental...