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On Wed, 9 Dec 1998, Aaron Christopher Finney wrote: One of my favorite early personal computers! I regret that the designer didn't give it a name, though. Specs: Name: "Electronic Computer" Intro: Jan 1960 Price: approx $35 Technology: discrete transistors Memory: 6 bits Input: rotary telephone dial Clock speed: as fast as you can dial Output: 12 incandescent lights Programming language: patch cords The author describes how to add, subtract, multiply, and divide on this box, but it's really more of a calculator than a computer since it doesn't have control logic or a clock. I hope to do a web page some day that describes this machine and several other home computers from the 1950's and 1960's. -- Doug

On Thu, 10 Dec 1998, Tony Duell wrote: I can safely say I have *no* idea! :) I have a bit of Transdata headed paper, which mentions their supplying "Data Terminals And Microcomputer Systems", so it's possible. You're not thinking of Tandata though, are you? Sounds like it's probably a tad earlier than the machine I was thinking about! Does it still live? It may be a case of mistaken identity, I suppose. I'm not even sure what else they manufactured! As I said earlier, I know they were into Data Terminals and Micro's... Simon. -- Simon Coombs simon(a)nenevr.demon.co.uk Don't stand on ceremony; just bow low. CP/M - The once and future O/S!

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On Thu, 10 Dec 1998, Simon Coombs wrote: I have a couple of these, both in different cases because they are home built. I also have an Acorn System5 which you don't see many of, and an Acorn Cambridge Workstation, plus some other Acorn prototype stuff. But I guess living in the same city as Acorn helps here. While not strickly a general purpose computer I have a Brandvance Galactic Invaders which I have never been able to find more information on. You can see a picture here: www.heydon.org/kevan/collection/manufacturer-brandvance/galactic_invaders.h… Finally I hope to be getting a Torch QuadX machine soon which are much rarer than the more common TripleX machines. -- Kevan Collector of old computers: http://www.heydon.org/kevan/collection/

On Thu, 10 Dec 1998, Tony Duell wrote: Sounds similar to my System 5, although the only reason I know mine is one of these is because that is what I was told by the Acorn employee whose basement it was quite literaly saved from. (The next day the house was knocked down because it was unsafe!) They will be at least System 3's because they are the first of the line to come with floppies. I have a sales brochure here for the Acorn System 1,2 & 3. Inside it there is an 'Advance Information' flyer describing the 6809 card. I quote: "This Acorn eurocard is a plug in replacement for the 6502 CPU card for those who wish to upgrade their system to make use of the advanced facilities of Motorola's 8-bit glamour chip the 6809" I do like the idea of a glamour chip:-) I have an MG1 but I have never had chance to play with it yet. I guess I will need to 'jump start' it so details of how to do this would be most appreciated. -- Kevan Collector of old computers: http://www.heydon.org/kevan/collection/

At 19:51 12/09/98 +0000, Tony Duell wrote: I have a feeling you would be the only person within our list and perhaps most other computer collectors who has a PERQ. I never seen one, know very little about them, but nevertheless, over the years (10+ years ago) I had occasionally heard of them. Yep. I got it out of a huge batch of equipment auctioned from the IBM-Endicott plant when it was severely "downsized" around 1984. It apparently controlled some sort of tester for those square metal modules one sees on IBM pc boards (what are they called again William D.?) Never heard of a TEK 31 myself 'till then. When I saw it I figured I had better grab it since I felt it was a rather rare thing even back then. I don't recall finding anything on it in my collection of older TEK catalogs. The machine works. Has a tape cartridge with a program that I printed out. Language was fairly easy to figure out (sorta like HPL found on the HP 9825's, etc.) Has an LED display and a thermal printer, again similar to the 9825. Been at least a dozen years since I looked inside, but I don't recall any LSI-type chips as main brains. I think it's all TTL. IIRC, the chips were dated around mid-70's. I'll look again for you sometime. *Finally*, last year I got a TEK 31 operator's manual. Got it from somebody advertising having it for sale in one of the antique radio groups, of all places, on Usenet. But it's in French!! (Came out of French Canada.) Have to recall the several years of French class I had in high school a lo-o-o-ng time ago:) Probably will *never* find any more tape cartidges for it so I can't write programs and save 'em and otherwise have fun with it :( Was the TEK 21 you mentioned above earlier than the TEK 31 or just different in other ways? Are these plotters similar in concept to the 4331 printers? Used a special thermal paper I think. Such printer could hang off my TEK 4015-1 graphics terminal and print directly from the screen. The 401x series had an X-Y analog plotter output for actual plotting. Evidently in that service manual it mentions the plotter could hang off a TEK 31, true? If so, then this is indeed the connector pinout for my TEK 31? I got a 1 meter long cable with it too. -- snipped pin list for brevity -- Hmmm, I have to check but I *think* there is something about 1210's in the DG Nova printset I have. I know there's schemas for the 1200 and 800 machines. I'll let you know if I run across them while unpacking stuff. Remind me early next year Tony. Regards, Chris -- -- Christian Fandt, Electronic/Electrical Historian Jamestown, NY USA cfandt(a)netsync.net Member of Antique Wireless Association URL: http://www.ggw.org/freenet/a/awa/

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