Re: how fast were drum memories?

from "Dave Wade via cctalk" To: "General Discussion: On-Topic and Off-Topic Posts" Sent: Thursday, 10 May, 2018 5:53:38 PM Subject: RE: how fast were drum memories? I don't think early drums were terribly fast, but this wasn't a problem

EF50 was Re: radar history

E = 6.3v filament F = Pentode 5x = B9G base Andy

Re: R: Large discs

"Is there a form of machine readable data older than 150 years?" Jacquard cards; Morse recorder; certain musical instrument programmes. Also with modern scanners virtually any printed material and some handwritten. Andy

Re: Kennedy 9832 tape drive ( eBay 302562153660)

eBay Item 302562153660 Sure, it's a Kennedy 9832 drive mounted in some sort of giant hard case. Anyone know if this was a modified drive? What on earth would it be used for? --Chuck Can't see this item, ut Tape drives in flight cases (which I assume is described) are normally

Re: Plotter + Tape drive

money until I have some more response from Dave Wade (other interested party) Andy >>>> - Original Message - From: "Philipp Hachtmann via cctalk" <cctalk@classiccmp.org> To: "ANDY HOLT via cctalk" <cctalk@classiccmp.org> Sent: Wednesday, 16 August

Re: Plotter + Tape drive

a cctalk" <cctalk@classiccmp.org> To: "ANDY HOLT via cctalk" <cctalk@classiccmp.org> Sent: Wednesday, 16 August, 2017 12:15:36 PM Subject: Re: Plotter + Tape drive Hi, > HP 88780 9-track tape drive (also several tapes "new" in packaging). > Both were wor

Plotter + Tape drive

Giving away ancient computer equipment (Essex England): I have a HP 7550A plotter and a HP 88780 9-track tape drive (also several tapes "new" in packaging). Both were working when last powered-on but that was a couple of years ago. I was going to give them to the computing history

Re: 8mm cinemax type film players (almost OT)

I guess that depends on your opinion of "reasonable". I have a number of 8mm home videos my father made but every place I looked at was prohibitively expensive (several hundred dollars per reel!!) Or on location, perhaps (I'm in the UK) A few years ago I had mine and my fathers 8mm

Re: 8mm cinemax type film players (almost OT)

My tape obsession was already slightly out of control, but when I found a create of 8mm reel of family footage and other movies in my 90 something year old grandfather's storage, I need a recommendation on how to play these, we're they standardised? What is the difference between 8mm and

Re: Anybody has Control Data (CDC) disk packs for 841 and 844 disk drives to spare with?

I am looking for someone who can read an ICL EDS8 disk pack. I am told that it would have been used in an ICT type 2802/2 drive on an ICL 1905E, but that it is also compatible with an IBM 2311 disk drive and that it uses a mechanical assembly based on a CDC 9450. Given the mention of the 2311