Dunno about the 407 itself, but here's a bunch of docs:
http://www.piercefuller.com/library/ibm407.html
Kock yerself out!
Cheers,
Chuck
On 6/20/2006 at 7:55 PM Keys wrote:
Boy, this is one big patch board and in very good shape
for sitting in a
garage for over 40 years. Now if I can just find a 407 and some doc's for
it. :-)