Collection of pages from K&E catalogs for the 4017 Sperry's Pocket Calculator


The Sperry's Pocket Calculators were marketed by K&E. The 4016 and 4017 differ in their internal mechanisms.

The following K&E model numbers are part of the 4017 family:


The following is a list of catalog entries from 1906 to 1939.

Links to catalog pages for the 4017 family of slide rules:

Scans: Link to scans of Sperry's Calculators