I just ran across a reference to synchronized pendula in the latest "Wired"
magazine (March 2001, p. 58). I did a search for the work the article
mentions, which lead to the following site:
http://www.gtalumni.org/news/magazine/spr97/rhythms.html. The following is
>from this site:
"The phenomenon was described in 1665 by the Dutch physicist Christiaan
Huygens, who placed two pendulum clocks side by side on a wall. Within a
short time, the pendulums were swinging in perfect synchrony. He altered the
movement of one pendulum, but within a half hour the swinging weights had
regained synchrony. When one of the clocks was moved to another wall, they
gradually fell out of step."
Robert A. Feldman
Robert_Feldman(a)jdedwards.com
Folks,
A recently acquired ASR33 came with an assorted sets of spares. Part of the
spares were some 196x vintage Control Data disks R/W heads which are of
limited interest to me..
They are available to whoever might need them for the cost of shipping
from Zurich, Europe )
Jos Dreesen
On Apr 5, 5:31, Jeff Hellige wrote:
> >I read "Hacker Crackdown"
> >years ago and can't remember if it describes those particular raids.
>
> I believe it does go into detail on Sundevil. The full book
> is available in AmigaGuide format, though I no longer recall where I
> saw it posted...it's been a couple of years since I saw that version.
It does go into some detail. I bought the book when it came out. The
electronic version can be found at
http://www.eff.org/pub/Misc/Publications/Bruce_Sterling/Hacker_Crackdown/
which also has the extra "Three Years Later" part .
--
Pete Peter Turnbull
Network Manager
Dept. of Computer Science
University of York
Hi. What is the binary format of the floppy disks that the
Xerox DayBreak workstation uses? And, by the way, how about the format
for the tapes (QIC?)?
Cheers,
--
*** Rodrigo Martins de Matos Ventura <yoda(a)isr.ist.utl.pt>
*** Web page: http://www.isr.ist.utl.pt/~yoda
*** Teaching Assistant and PhD Student at ISR:
*** Instituto de Sistemas e Robotica, Polo de Lisboa
*** Instituto Superior Tecnico, Lisboa, PORTUGAL
*** PGP fingerprint = 0119 AD13 9EEE 264A 3F10 31D3 89B3 C6C4 60C6 4585
Robert,
Thanks for your comments but I don't think the problem is the disks.
I've also tried Tektronix 8160 disks, Osborne 1 and Osborne Executive
disks, Morrow disks and some others and I get the same results with all of
them. The only disks that I've ever been able to archive are MS-DOS disks!
Joe
At 09:54 AM 4/4/01 -0600, you wrote:
>I have a copy of Teledisk, but have not used it, so my comments might not be
>on the mark. But, I have used other disk format copy programs and know that
>they have trouble copying Kaypro disks unless the source disk was formated
>on the target (non-Kaypro) computer. Apparently the Kaypro (and also Zorba)
>format had some strange features. Might the unusual formatting be the source
>of Joe's problems?
>
>Robert Feldman
>Robert_Feldman(a)jdedwards.com
>
>-----Original Message-----
>From: Bruce Lane [mailto:kyrrin@bluefeathertech.com]
>Sent: Wednesday, April 04, 2001 9:55 AM
>To: Joe
>Cc: classiccmp(a)classiccmp.org
>Subject: Re: Teledisk not working
>
>
>At 10:10 04-04-2001 -0500, you wrote:
>
>>Bruce,
>>
>> I just tried Teledisk again with the SAME results. This time I used two
>>known good Kaypro 2 disks. Teledisk copied them to files with no
>>complaints. TDChck said that the files were OK. However each file was only
>>281 bytes in size. When I tried to make disks from the files it said that
>>the data had a CRC error.
>
><snip>
>
OK, here's the scoop on the original Scanmaster, not some lame-o PC-attached
crud...
8815 SCANMASTER I - WITHDRAWN
(NO LONGER AVAILABLE)
PURPOSE
o For capturing and transmitting noncoded documents to an 4300, S/370,
303X, or 308X system.
o For capturing and transmitting noncoded documents directly to another
Scanmaster I.
o For printing noncoded documents.
o For printing formatted text documents.
The Scanmaster I is an SNA/SDLC device designed for system-attached
operation and terminal-to-terminal operation. It attaches to 4300, S/370,
303X, and 308X processors over switched or nonswitched communication
facilities at speeds up to 9600 bps. It will communicate directly with
another remote Scanmaster I over a public switched telephone network or
private switched or non-switched voice facilities at speeds up to 9600 bps.
I got that from the IBM sales manual... I'd love to have one too..
Will J
_________________________________________________________________
Get your FREE download of MSN Explorer at http://explorer.msn.com
I am looking for some ideas for putting one of my DEC machines on the
net. I used to run a Unix bbs years ago on a 386 running Xenix and XBBS
and really enjoyed it a lot. I noticed that the source is still around
for that program on the net.
This is what I have:
11/23+ running RT-11. I have the TCP-IP package for it and I beleive I
have everything I need to make it work.
11/53 running RSX but I can probably coax BSD on it without a problem.
VAXstation II running VAX/VMS 4.4 but I also have netBSD for it. I know
nothing about VMS.
I want to make these machines available but at the same time I want to
batten down the hatches so they are not wide open for troublemakers. I
personally would like to put the 11/23+ on the net. If I could make that
work, then it would be easy to duplicate it on my 11/34 and put that on
the net.
These would be running behind my IP masq'ed Linux router. I could port
forward Telnet and FTP services. Maybe even HTTP if I could get that
working on the RT-11 box. Right now thats going to my current web
server.
Any ideas?
Brian.
At 10:10 04-04-2001 -0500, you wrote:
>Bruce,
>
> I just tried Teledisk again with the SAME results. This time I used two
>known good Kaypro 2 disks. Teledisk copied them to files with no
>complaints. TDChck said that the files were OK. However each file was only
<snip>
OK! Great news waiting in my inbox when I came home.
First: Joe, I've forwarded the description you E-mailed me to both Sydex
and Forensics Intl.
And that leads into the second part: F-I is perfectly willing to pick up
support for those involved in the group buy. The fact that we were legacy
customers of Sydex is what did it.
So, everyone who bought Teledisk can start breathing again. We're still
supported. Joe, I'll forward whatever answer I get back to you. It is also
possible that F-I support may open a dialogue directly with you. I did
offer them that option, and I gave them your E-address.
Thanks much.
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Bruce Lane, Owner and head honcho, Blue Feather Technologies
http://www.bluefeathertech.com // E-mail: kyrrin(a)bluefeathertech.com
Amateur Radio: WD6EOS since Dec. '77 (Extra class as of June-2K)
"I'll get a life when someone demonstrates to me that it would be
superior to what I have now..." (Gym Z. Quirk, aka Taki Kogoma).
On Apr 4, 13:22, Iggy Drougge wrote:
> Chuck McManis skrev:
>
> >At 06:36 PM 4/3/2001 -0500, The Chad wrote:
> >>Kidding.... Actually I just took the plastic case from my 3400 up the
> >>do-it-yourself car wash. I used the engine/tire cleaner on it, and
then
> >>Comet Cleanser. It turned out nicely..... it is drying now.
>
> >That's a great idea. I have done the boards in the dish washer trick
(they
> >come out nice and clean, but sometimes lose their labels)
> Wouldn't they melt or get disformed in the dishwasher?
Fibreglass doesn't melt easily :-)
I've put quite a few PCBs through our dishwasher (well it's "ours" when I
want to clean PCBs, and my wife's when it's dinner plates). It's amazing
how many useful pieces of equipment are disguised as domestic appliances:
the machine for cleaning keyboard keycaps and shell cases does an
excellent job of washing clothes, while the tumbling machine for drying
them off also works for socks and shirts. The device in the kitchen for
baking small spray-painted articles can be used for pizza and muffins. And
so on...
--
Pete Peter Turnbull
Network Manager
Dept. of Computer Science
University of York
Due to my computing interests becoming very much centered in the IBM
world, and also due to 2 tons of Big Blue stuff coming shortly, I have
decided to sell off a PDP-8/i. I promised the original seller that I
would not Ebay the thing, so I am keeping it to only a few lists.
The machine looks like an 8K PDP-8/i, with a highspeed paper tape
reader/puch (PCmumblefoo). It looks complete, although I have not checked
it 100 percent. Certainly the hard-to-find parts are there (namely the
panel and the two core stacks). The rack is not original, and frankly, is
ugly. The power supply seems very kludged in (although it looks DEC).
This ain't a plug and play 'puter, folks. It needs a cleanup and a tune
up. I have a doc set (not included, but I can copy (have to copy
one for Will, anyway).
Send me an offer if interested. I am located in New York, near
Connecticut. No shipping on this item - either you pick up, or I
deliver within a few hundred miles (Boston, Washington, maybe Cleveland
or even Chicago) for my expenses.
Some pictures:
http://www.bestweb.net/~toober/images/PDP8I.jpghttp://www.bestweb.net/~toober/images/PDP8I.upper.jpghttp://www.bestweb.net/~toober/images/PDP8I.inside.jpghttp://www.bestweb.net/~toober/images/PDP8I.fc.jpg
William Donzelli
aw288(a)osfn.org
