Re: Pioneers of computing

2019-03-10 Thread ben via cctalk
On 3/10/2019 7:30 PM, Guy Dunphy via cctalk wrote: Here is a little bit of info on it: http://www.vintagecalculators.com/html/ti_cal-tech1.html That's fascinating, thanks. I'd never heard of it. The Intel 4004 came out in 1971. https://en.wikipedia.org/wiki/Intel_4004 I'd understood that

Re: Pioneers of computing

2019-03-10 Thread Will Cooke via cctalk
> On March 10, 2019 at 9:30 PM Guy Dunphy wrote: > > > At 06:59 PM 10/03/2019 -0400, you wrote: > > > >> On March 10, 2019 at 6:10 PM ben via cctalk wrote: > >> > >> > >> On 3/10/2019 3:18 PM, Murray McCullough via cctalk wrote: > >> > Back in 1965 Jack Kilby, Jerry Merryman and James Van

Tape reading question

2019-03-10 Thread Patrick Finnegan via cctalk
Since I'm going to be out in Seattle for a week to participate in VCF/PNW, I was wondering if anyone in the area could lend me a hand with help reading in an old QIC-24 25MB tape cartridge or two? One has the TurboDOS backup/install media for a Televideo TS-816 that I got from Don Maslin back in

Re: Pioneers of computing

2019-03-10 Thread Guy Dunphy via cctalk
At 06:59 PM 10/03/2019 -0400, you wrote: > >> On March 10, 2019 at 6:10 PM ben via cctalk wrote: >> >> >> On 3/10/2019 3:18 PM, Murray McCullough via cctalk wrote: >> > Back in 1965 Jack Kilby, Jerry Merryman and James Van Tassel at texas >> > Instruments created an integrated circuit designed

Re: Pioneers of computing

2019-03-10 Thread Al Kossow via cctalk
On 3/10/19 2:18 PM, Murray McCullough via cctalk wrote: > Historians, though not all, credit this development as the > beginning of the electronic-computing revolution that was truly underway by > the mid-70s. Scotty, more power to the Reality Distortion Field!

Re: Pioneers of computing

2019-03-10 Thread Will Cooke via cctalk
> On March 10, 2019 at 6:10 PM ben via cctalk wrote: > > > On 3/10/2019 3:18 PM, Murray McCullough via cctalk wrote: > > Back in 1965 Jack Kilby, Jerry Merryman and James Van Tassel at texas > > Instruments created an integrated circuit designed to replace the > > calulator. Historians,

Re: Pioneers of computing

2019-03-10 Thread ben via cctalk
On 3/10/2019 3:18 PM, Murray McCullough via cctalk wrote: Back in 1965 Jack Kilby, Jerry Merryman and James Van Tassel at texas Instruments created an integrated circuit designed to replace the calulator. Historians, though not all, credit this development as the beginning of the

Pioneers of computing

2019-03-10 Thread Murray McCullough via cctalk
Back in 1965 Jack Kilby, Jerry Merryman and James Van Tassel at texas Instruments created an integrated circuit designed to replace the calulator. Historians, though not all, credit this development as the beginning of the electronic-computing revolution that was truly underway by the mid-70s.

Trio laboratories inc PSU schematic?

2019-03-10 Thread Mattis Lind via cctalk
Does anyone have schematic for a Trio Labs PSU made in 1975 https://i.imgur.com/MTwcpRA.jpg It is a primary side switcher made in 1975 outputting 100 Amps 5Volt. Quite early for being primary switcher I would guess.