Archives Catalog Entry
Unidentified slide rule. Missing cursor. Manufacturer: Keuffel& Esser Co., New York. Patent date 6-5-1900. Similar but not identical to ST-CH-09 and ST-MU-18.
MEDIUM: Ivory and other; LENGTH: 10 5/8”; QUANTITY: 1
For information on using Archives materials for commercial or educational purposes (including reproducing PhotoNet images) please see Access and Use.