What's the rarest or most unusual computer-related item do you own?

[Ed Sharpe]

Doug ... which sites or state was your dad working on them? Railroad owned some IRS too..

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On Saturday, January 28, 2017 Douglas Taylor <dj.taylor4 at comcast.net> wrote:
I have a certificate that my father was given in 1957 for training on a 
Honeywell Datamatic 1000 computer.

Here is a summary of this 'advance' in computer technology from the ACM:

The DATAmatic 1000 (D-1000) is a high-capacity electronic 
data-processing system designed specifically for application to the 
increasingly complex problems and procedures of present-day business. 
The system incorporates significant new systems techniques, as well as 
several basically new component developments. One of the outstanding 
features of the D-1000 is its ability to feed information from magnetic 
tape into the central processor at a sustained rate of 60,000 
decimal-digits per second, and to deliver data after processing back to 
magnetic tape at this same rate. The operational speed of the central 
processor maintains full compatibility with the high speed of 
information transfer. Consequently, the difficulties caused by programs 
which are either tape limited or processing-time limited do not arise in 
the majority of commercial applications of this system.

Doug


On 1/28/2017 4:13 PM, Tony Aiuto wrote:
> I have a Minivac 601, but it is in storage and I am not sure if it is
> working. I'm thinking of restoring it and bringing to VCF East. The video
> is not mine - https://www.youtube.com/watch?v=q6OA8HfnxxU
>
> On Sat, Jan 28, 2017 at 1:13 PM, Bob Rosenbloom <bobalan at sbcglobal.net>
> wrote:
>
>> On 1/14/2017 3:49 PM, Rick Bensene wrote:
>>
>>> --snip
>>> I know what you mean about the DC300 carts...what a lousy design...at
>>> least from a longevity standpoint. I've had numerous nightmares with those
>>> cartridges in a number of vintage systems that I've got. Broken tension
>>> bands, sticky tape...just plain bad stuff. Plus, the tape transports in
>>> the 4051/4052 are fussy as can be. I have a 4907 single 8" floppy disk
>>> drive for my 4051, and it works great, but I don't have the proper ROMpack
>>> module to use it with the 4052, which apparently needs a different ROMpack
>>> than the 4051 to talk to the 4907. So far, such a ROMpack has proven
>>> elusive.
>>>
>>> -Rick
>>>
>> I have the Tektronix 4052/4054 File Manager ROM Packs. Can be seen here:
>> http://www.tekmuseum.com/linked/tek_roms1.jpg
>> I should have the documentation on them also. Only problem is they are
>> buried somewhere in a cargo container.
>>
>> Are you still looking for one?
>>
>> Bob
>>
>>
>> --
>> Vintage computers and electronics
>> www.dvq.com
>> www.tekmuseum.com
>> www.decmuseum.org
>>
>>