1/2" 2-track analog tape recorder, used for about 1/3 of the MCIS recording, which was done at the Chicago Recording Company. The other 2/3 were recorded at Pumpkinland on an Otari MTR-90 MKII.
[product info on AudioArchive]

Flood on the recording speed:

I love recording at 15 ips NAB, but with Dolby SR, because it just adds a whole different dimension to the sound. Apart from the obvious benefits of Dolby, if you tweak the Dolby unit really, really well, it’s a bit like adding an Aphex and a dbx sub-harmonic bass enhancer on every channel. Also, the way that tape changes the sound or modifies the sound, 15 ips is technically not correct, but I find it to be so musical, particularly on the bottom end. This was very much a conscious decision, and very much a part of the album’s sound.
[EQ Mag]

Kerry Brown posted a pic on his blog on 2009/09/14, with the following quote:

I'm just sitting here watching the wheels go round and round. I really love to watch them roll. Oh my, we got the tape machine up and rolling today... Call me crazy but the sound of great music recorded in the analog format makes me smile and everything in the world just seems better.