Computer buying guide, 1962 #retrocomputing edition. https://archive.org/details/bitsavers_computersA_17444643/page/n123/mode/2up
That HW-15k is the only "affordable" one - it's desk-sized, has a 4k drum, and a 24 bit word.
More detail, and some photos:
http://ed-thelen.org/comp-hist/BRL64-h.html#HW-15K
@th that Univac Larc was quite a beast: $150,000 rental/month: that's nearly $1.3M/month now.
@th
Wow... "Floor space" 🤪
@th I find the power consumption figures interestingly low in most cases. (And I still find the US unit of Ton of cooling hilarious)