On Sun, 09 Dec 2012 17:33:22 +0000, polygonum wrote:
They were definitely 14 inch.

http://en.wikipedia.org/wiki/History...rd_disk_drives

Andy

I accepted that the platters are 14 inches - which means the plastic
cover would have been larger. I think.

Yep. I found a photo of some ICL packs:

http://www.patooie.com/temp/packs.jpg

.... and the inside of one of the drives:

http://www.patooie.com/temp/drive.jpg

cheers

Jules