Re: Drum Computers

2017-01-08 Thread Chuck Guzis
On 01/08/2017 03:02 AM, Mark Linimon wrote: > - One time a contractor came in to paint the building and despite > instructions, painted the computer room as well. Of course the paint > got in to the Bryant. The folks who worked on it said, well, what > have we got to lose. They pulled the plat

Re: Drum Computers

2017-01-08 Thread Mark Linimon
On Sat, Jan 07, 2017 at 04:26:25PM -0800, Chuck Guzis wrote: > I'm sure that Paul remembers the CDC 6603 disk drive, made by Bryant > (the big horizontal spindle one with the hydraulic "leak collectors"). I didn't see the Bryant that Rice University had in operation on the R1 Research Computer; I

Re: Drum Computers

2017-01-08 Thread Paul Berger
On 2017-01-07 8:26 PM, Chuck Guzis wrote: On 01/07/2017 08:44 AM, Paul Koning wrote: Not a drum computer but another example of a company not known for computers that nevertheless built one: Goodyear. A supercomputer called STARAN, a very odd architecture. Actually based on an earlier one b

Re: Drum Computers

2017-01-08 Thread Chuck Guzis
On 01/07/2017 08:44 AM, Paul Koning wrote: > Not a drum computer but another example of a company not known for > computers that nevertheless built one: Goodyear. A supercomputer > called STARAN, a very odd architecture. Actually based on an earlier > one built at Sanders Associates (a defense c

Re: Drum Computers

2017-01-07 Thread allison
On 01/07/2017 11:44 AM, Paul Koning wrote: >> On Jan 6, 2017, at 9:46 PM, Rick Bensene wrote: >> >> ... >> The machine was made by Minnesota Mining and Manufacturing (aka 3M >> Corporation). Today, there seems to be no record that 3M ever was in the >> computer business. But...it was. > Not a

Re: Drum Computers

2017-01-07 Thread Paul Koning
> On Jan 6, 2017, at 9:46 PM, Rick Bensene wrote: > > ... > The machine was made by Minnesota Mining and Manufacturing (aka 3M > Corporation). Today, there seems to be no record that 3M ever was in the > computer business. But...it was. Not a drum computer but another example of a company

Re: Drum Computers (Was Cleaning things (was Cleaning RK05 packs (Was: LGP-30 Memory Drum Update)))

2017-01-07 Thread Chuck Guzis
On 01/07/2017 07:01 AM, Al Kossow wrote: > On 1/7/17 3:06 AM, jim stephens wrote: > >> They did make a tape drive of some sort > > They made several generations, what I've found on their cartridge > tape drives is under 3M on bitsavers. All use variations of their > trade secret or what eventuall

Re: Drum Computers (Was Cleaning things (was Cleaning RK05 packs (Was: LGP-30 Memory Drum Update)))

2017-01-07 Thread Al Kossow
On 1/7/17 3:06 AM, jim stephens wrote: They did make a tape drive of some sort They made several generations, what I've found on their cartridge tape drives is under 3M on bitsavers. All use variations of their trade secret or what eventually became QIC standard tape formats. The 1/4" tape

Re: Drum Computers (Was Cleaning things (was Cleaning RK05 packs (Was: LGP-30 Memory Drum Update)))

2017-01-07 Thread Chris Elmquist
On January 7, 2017 5:06:32 AM CST, jim stephens wrote: > > >On 1/6/2017 6:46 PM, Rick Bensene wrote: >> Today, there seems to be no record that 3M ever was in the computer >business. But...it was. >They inflicted the write only media on the world that became QIC. So >they were in the biz long en

Re: Drum Computers (Was Cleaning things (was Cleaning RK05 packs (Was: LGP-30 Memory Drum Update)))

2017-01-07 Thread jim stephens
On 1/6/2017 6:46 PM, Rick Bensene wrote: Today, there seems to be no record that 3M ever was in the computer business. But...it was. They inflicted the write only media on the world that became QIC. So they were in the biz long enough to do that. Media never intended to be recorded at the

RE: Drum Computers (Was Cleaning things (was Cleaning RK05 packs (Was: LGP-30 Memory Drum Update)))

2017-01-06 Thread Rick Bensene
Allison wrote; >I envy the chance to restore a LGP-30 or for that fact play with one. >Many of the things I remember >mid sixties on are now gone or were rare then. Like small desk sized drum >computers using transistors or first generation IC (RTL and RDTL). I so regret not ha