20 votes
Accepted

What is this diskette drive?

Akhter was a home computer dealer, based in Harlow. The company still exists at a new address, now called Akhter Group plc (but probably not still selling BBC Micros!). They were the largest sellers ...
  • 7,824
20 votes

What kind of printer is shown in the opening title sequence for the movie Desk Set?

You mean this one? (taken from this sequence on Youtube) Well, it isn't 'a printer', but rather the 'computer', at least as far as it goes for that setup :)) It's an IBM 403 Accounting Machine, a ...
  • 177k
15 votes

Can anyone help identify this old terminal and printer found in an abandoned nuclear power plant?

I would have written just a comment but did not have enough rep to do so. @JdeBP had basically found the answer so all I had to google was "Youtube comment finder" :). The video also posts a ...
  • 181
12 votes

Did Apple bundle a specific monitor with the Apple II+ for schools?

Here's a Sanyo VM-4209 in a 1977 Apple II advertisement. It has a black handle on top (the VM-4509/DM 5109CX has a beige colored recessed handle): And another photo to show the color of the case ...
11 votes

What is the model of fast CAD printer used in Pentagon Wars?

If this is a plotter, it might be an electrostatic plotter. But it looks far more likely to be a blueprint copier (or heliographic copier) which isn't a computer device at all.
  • 17.5k
10 votes

Did Apple bundle a specific monitor with the Apple II+ for schools?

Sometime in 1980 (or maybe 1981) my school district purchased it's first batch of Apple II+ computers. The hardware our specific school district purchased consisted of Apple II+ computers, each with a ...
  • 177k
9 votes

Unknown device in MANIAC I machine room

It's a thermometer, with a cover plate which doubled as an advertising placard removed. Initial lead was this image: Source: was originally listed at https://www.etsy.com/listing/264070177/ got &...
  • 2,701
8 votes

What is this diskette drive?

This is the front of the Akhter 5.25" drive unit: and the rear: As you can see the dates and serial numbers aren't that different. July 1986 is quite early for a 3.5" drive to be attached ...
8 votes

What is this "switch register - display" and what was it used for?

A "switch register" or "sense switches" provides a way for the CPU to read a binary input without explicitly using the I/O bus. Due to the name "switch register," I ...
  • 1,906
7 votes

What 1970's terminal was black on white and had an orange keyboard?

SOLVED: I am thinking of the ADDS Consul 980, from 1974: The display was black on white. It did support lowercase. Solomon Slow is correct. The Data General C/150 certainly supported "console ...
  • 333
7 votes

Unknown device in MANIAC I machine room

Note: I'm answering my own question here. If someone can verify my findings in an answer I'll accept it. Williams tubes (a.k.a. electrostatic cathode-ray storage tubes) were used for memory in the ...
  • 9,000
7 votes

What is this "switch register - display" and what was it used for?

I'm not familiar with this particular model but this type of "front panel" was found in many early mainframe, mini, and micro computer systems. While this example is among the simpler ones, ...
  • 1,709
6 votes
Accepted

What is this "switch register - display" and what was it used for?

Caveat: ATM I can not identify the machine this was taken from. I can only describe what can be said from parts visible. I will not go into further speculation. Seems to be part of a front panel (i.e. ...
  • 177k
6 votes

Which plotter used these commands?

It was Calcomp 763, or its narrow variant Calcomp 765. I've got a scan of a page from "Машинная графика для системы БЭСМ-алгол" ("Computer graphics for the BESM-ALGOL system" by V. ...
  • 16.5k
6 votes
Accepted

Which plotter used these commands?

There is at least some indication that these are Calcomp commands. The Calcomp Software Reference Manual is available at bitsavers.org and covers the 'Direct Commands' sent to the device. On page 5.24 ...
6 votes

Did Apple bundle a specific monitor with the Apple II+ for schools?

You are not alone, as I have the same memory. Very "cube-looking" 9-inch monitors were a common peripheral for the Apple ][/][ Plus. You will find many pictures online of this setup, and may ...
  • 57.6k
2 votes

Did Apple bundle a specific monitor with the Apple II+ for schools?

How about a USI monitor like the one shown here : https://www.si.edu/newsdesk/photos/apple-ii-computer? or a "National" as shown here:
  • 21

Only top scored, non community-wiki answers of a minimum length are eligible