Which makes the bunny suit all the more puzzling. I’d suspect military / aerospace / NASA-type stuff, except that you don’t want to be hauling large gyroscopes around in your vehicle, unless you’re using them for navigation.
I assume you meant “tiny” as in performance, not size. The minimum configuration for the entry-level 370-115 was a (roughly) 3’ x 8’ x 6’ CPU, a 2’ x 3’ x 2’ motor generator set, and a 2’ x 3’ x 4’ 2501 card reader. This minimum configuration required a 60A 3-phase circuit as well as some smaller circuits for the peripherals. Of course, if you wanted to do anything useful, you needed either disk and/or tape drives, probably a printer, and maybe a card punch. Fortunately, all of those were available with integrated controllers on the -115. By the time you got up to bigger hardware, you needed external free-standing controllers for all of these (and the 2821 reader/punch/printer controller was bigger than the 2501 + 1442 + 1403N1 devices themselves).
I’ve had 360-75, 370-115 (what a step backwards!), 370-125 (a computer “born under a bad sign” for a number of reasons*), 370-138 (the best of the bunch), 4331, 4381, 9370.
I actually restored a crashed drum disk on an LGP-30 computer at one point. We had an empty warehouse building and I had a policy of never turning down any donated computer equipment (which served us well, since people who gave us junk once would remember us and give us good stuff). I had quite a collection of obsolete computers which I’d restored to operable or semi-operable condition. Among them were:
o Naval Ordnance Ballistic Calculator - a huge analog computer occupying a dozen or so relay racks, in black crinkle finish. Note that this was not the NORC, which was a digital supercomputer which was much “newer” (1956) than the NOBC.
o CDC 160A (with optional math unit)
o LGP-30
o IBM 360-75 (non-operable due to insufficient power)
o Early (pre-PDP) DEC computers built out of logic modules
Unfortunately, when I left that job nobody took over the care of those systems. Eventually the warehouse roof collapsed and the building was declared a Superfund site (it had been donated to the college by a chemical company as a way of “getting rid” of it). All the computers were scrapped. I’m particularly sad about the NOBC, since that was apparently one-of-a-kind - I’ve certainly never heard of another one and there are no references to it (that I can find) on the Internet.
- The 370-125 was just a bad-luck system from the get-go. It had a golfball printer (“Selectric” type, but not a Selectric) as a console, and the paper would jam constantly. You had a 50/50 chance of crashing the system if you opened the cover to fix the paper. We’d gotten an edict that we had to go with the lowest bidder for the 256KB expansion memory, and we wound up with MAI. They brought a 3’ x 4’ x 6’ box for the memory, and proceeded to cut a 4" square hole in the side of the -125 and run many hundreds of wire-wrap wires between the backplane of the 370 and their expansion box. If the memory was powered on when you IMPL’d the -125, you would get both a “CPU Early” and a “CPU Late” check and the same time and you had to power off the CPU and try again. We wound up having to IMPL the -125, power on the add-on memory, and then patch the microcode before IPL-ing (booting) the operating system. Of course, this non-IBM memory offended IBM greatly, and they never wanted to fix anything on that system, no matter what it was.
The 370-138, on the other hand, was a great system - despite movers losing their grip on it and it rolling down the street and crashing into a mausoleum at the end of the block. But that’s a story for another time…