Cordys

A Professor Fuller's Calculating Cylindrical Slide Rule

Estimate: $450 - $800


Lot Description

A Professor Fuller's Calculating Cylindrical Slide Rule, with helical tables on fixed and sleeved cylinders, designed late 19thC, stamped serial number 3793, and 16 (1916). With mahogany fitted box, complete with handsfree mounting bracket. Box L.455mm