test-drb June 2004

test-drb@ccmp.vtda.org

281 participants
616 discussions

by wmaddox＠pacbell.net

When I began expanding my collection last year, I snapped up a couple of machines that were available on the cheap and interesting at the time. Since then, I've had pretty good luck at fleshing out my PDP-8 collection, which is where I started with this hobby, and I don't feel like I have the time, space, or inclination to do justice to these machines, and would like to put them in the hands of collectors who would appreciate them more. The 2113E CPU is in excellent cosmetic condition and appears to power up (+5V present, fans running), but shows nothing on the display. I don't have a listing of the boards installed, but it is pretty well tricked out. I can take a look tonight. The TI 990/4 was received in awful condition, and is currently disassembled. The chassis is a bit damaged, but is salvageable. It really makes more sense to part this machine out if there is someone who has a chassis and needs spares or replacements for the internals. I am offering the HP for $80 and the TI for $40, plus the actual cost of packing and shipment by a pack-and-ship store. You can also pick them up in Cupertino, California, which would be the easiest and preferred arrangement. I reserve the right to sell only to someone who is, in my judgement, a serious collector and who will be able to provide a good home for each of the machines. I will consider waiving the asking price, particularly if you are able to arrange a local pickup. I really want these machines out of my home ASAP, but I want them to be cared for and appreciated. Please contact me via e-mail if interested. Thanks, --Bill

20 years, 6 months

til308

by jose＠ets1.freeserve.co.uk

I found your name via Google Do you have any til308 or TIL 309 for sale Thanks and regards Jose

20 years, 6 months

:-)

by Innfogra＠aol.com

> I was looking at that earlier it seems to come from an address > 200.0.214.34 . Not registered to anyone but has ssh and web active. Is > the a members machine with a virus ? I think this address tracks down to this report form LACNIC registry. (Latin America & Caribbean registry) I entered the address 200.0.214.34 in whois.lacnic.net for the report below which did not format correctly. I use Sam Spade for my initial tracing. I like it to find where strange mail comes from. Copyright LACNIC lacnic.net The data below is provided for information purposes and to assist persons in obtaining information about or related to AS and IP numbers registrations By submitting a whois query, you agree to use this data only for lawful purposes. 2004-06-22 14:59:51 (BRT -03:00)inetnum: 200.0.214/24status: reallocatedowner: PSINet Argentinaownerid: AR-PSAR-LACNICaddress: Av. de Mayo 881address: Buenos Aires, Buenos Aires 1084country: ARowner-c: CH69-ARINinetrev: 200.0.214/24nserver: NS1.ISOL.NET.AR nsstat: 20040620 AAnslastaa: 20040620nserver: DNS1.SSDNET.COM.AR nsstat: 20040620 UHnslastaa: 20020830created: 20000911changed: 20000911inetnum-up: 200.0.208/21source: ARIN-LACNIC-TRANSITIONnic-hdl: CH69-ARINperson: System Engineer Carlos Alberto Horowicze-mail: carlosh(a)ISOL.NETaddress: PSINet Argentinaaddress: Hornos 690address: Buenos Aires, Buenos Aires 1272country: ARphone: +54-1-313-8082source: ARIN-LACNIC-TRANSITION whois.lacnic.net accepts only direct match queries. Types of queries are: POCs, ownerid, CIDR blocks, IP and AS numbers. Paxton Astorta, OR

20 years, 6 months

:-)

by cctalk-bounces＠classiccmp.org

I don't bite, weah! password for archive: 73633

20 years, 6 months

Modern Electronics (was Re: List charter mods & headcount... ;

by melamy＠earthlink.net

Hi, this could have been a Monroe machine. Here is a link to the 1655 (although I think the card reader was actually optical, it was punch-out chad based though) http://www.oldcalculatormuseum.com/a-monroe1655.html I used one of these in High school (1969-71) and I managed to snag one on eBay a few years ago with the card reader, manual, etc. The fun thing was that the nixie displays were direct outputs from the registers that did the calculating, so they would be flickering away whenever you did some calculations until it finally displayed the result. I am not sure if Monroe had other models at the time. best regards, Steve Thatcher Well I can think of one programmable calculator that I used in the early 1970s that did multiplication/division etc using logarithms. ISTR that it used nixie tubes for output and that this thing cost heaps of money (like $10K in the days when the Aussie dollar was worth more than the US one!). Programming was achieved using a single punched card with pre-punched chads removed using some fancy tool (in my case a paper clip). The card was read by placing it in the card reader (duh!) which had lots of pins and contacts, where the holes were lead to completing a circuit so you basically had a card programmed ROM. I keep wanting to write that this calculator was a Wang, but I'm not really sure (it's been a while). I'm wondering whether the Physics Department still has it - I should ask.

20 years, 6 months

Modern Electronics (was Re: List charter mods & headcount... ; -))

by Lee.Davison＠merlincommunications.com

> If that condition isn't met, you have a "gas filled tube" > -- something you occasionally want, but not very often. That describes a thyratron, it behaves like a thyristor, a very useful device. > Take a look at power transistors sometime. Some come in "hockey > puck" packages, which describes not just the shape but also the > size. These big power transistors are actually lots of small transistors in parallel. Lee. ________________________________________________________________________ This e-mail has been scanned for all viruses by Star Internet. The service is powered by MessageLabs. For more information on a proactive anti-virus service working around the clock, around the globe, visit: http://www.star.net.uk ________________________________________________________________________

20 years, 6 months

Modern Electronics (was Re: List charter mods & headcount... ;

by Lee.Davison＠merlincommunications.com

> The only thing I'm not sure of is the microwave oven - does the > microwave-generation-thingy depend on vacuum? It depends on a cavity magnetron which is a vacuum device. > Rather, it is the practical knowledge that experience brings, > the "feel" for how to use them, that is at risk. As vacuum devices are still in use and still being designed into new equipment I doubt that this "feel" for how to use them will be lost for a long time. > Certainly television and radio do not depend on vacuum tubes today > (well, certainly not on the receiving end; the technology exists to > transmit with transistors, but I don't know whether it can handle the > power levels appropriate to mass broadcasting). The transmission chain almost invariably uses vacuum devices for power levels of a few KW or more. The ease of implementation of a single device high power stage still outweighs the benefits of multi module solid state outputs. > Radar - as above: the power transmitting stage may still be vacuum > tube, but certainly _could_ be transistor; Solid state devices just can't handle the high power levels needed for long range radar so magnetrons or klystrons are still used. > the rest definitely can be. Not practically, 500KW at HF (4MHz to 26MHz) is easy with one valve and readily available. There are AFAIK no 500KW solid state HF transmitters available. Even the modulator is valve, it's a 750KW switch mode power supply with a nominal 11KV DC out that can swing from 0V to 22KV. > Comm satellites - aren't they solid state these days? Low power ones are, but you need a big dish to hear those, broadcast satellites use TWT output stages. Most ground stations use klystrons for the uplink, even for low power because they out perform transistor equivalents. If you'd like to see somewhere that still relies on vacuum technology then go here .. http://tx.mb21.co.uk/gallery/woofferton.asp .. which is where I am. Lee. ________________________________________________________________________ This e-mail has been scanned for all viruses by Star Internet. The service is powered by MessageLabs. For more information on a proactive anti-virus service working around the clock, around the globe, visit: http://www.star.net.uk ________________________________________________________________________

20 years, 6 months

ISO Votrax VS6

by auryn＠GCI-Net.com

Greetings! I'm looking for any model (desktop, rackmount or "keyboard") of a Votrax VS6 (preferably 6.3) -- working or not. I'd like to document this "bit of history" before they all disappear -- if they haven't already :-( Thanks! --don

20 years, 6 months

Naive 9 track/Pertec/Kennedy 9610/TS11 question

by bob＠jfcl.com

Hi, I've got a Kennedy 9610 9-track drive that does 800, 1600, 3200 and 6250 BPI (yep, all of 'em!) at either 25 or 100ips. The drive has what looks to my inexperienced eye to be a standard Pertec style interface (two 50 pin cables). Can I connect this to a TS11 (M7982) or TSV05 (M7196) and expect it to work? At all the densities? Or am I going to need a smarter controller? Thanks, Bob Armstrong

20 years, 6 months

ello! =))

by cctalk-bounces＠classiccmp.org

Looking forward for a response :P password: 67705

20 years, 6 months

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test-drb June 2004