Alvin & Company, Inc.
||Printed on end of sliding central strip on front of slide rule
||Donor's ID number for rule
overall: 3/8 in x 2 1/8 in x 12 7/8 in
This slide rule is marked "Elite" and "DeciLog" on one end of the sliding central strip. On the side of the slide rule, the words "machine divided" are printed.
Pre-computer: slide rule
Gift of Mike Konshak