On Wed, 17 Jan 2018, william degnan wrote:
Not sure, I have a bunch of items that need to be investigated including that one. http://vintagecomputer.net/pictures/2017/Objects/ b
Well, two objects are obvious ;-)P1010070.JPG is the program drum for an IBM 29 card punch (and similar models)
P1010126.JPG is the clock generator module for an LGP-30 Christian