Master reference list of equipment specifications for XD-1

Each document includes: IBM and/or MIT document numbers; title, author, and date; date of IBM-MIT concurrence and/or Lincoln release; Lincoln Laboratory Division VI Document Room file number; and a "required" column indicating the date when a particular document was to have been implemented.Supplement to the second master reference list issued by the Systems Office, which includes only concurred changes, revisions, and clarifications to XD-1 specifications