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:
- 4016 ------ Sperry's Pocket Calculator
- 4017 ------ Sperry's Pocket Calculator
The following is a list of catalog entries from 1906 to 1939.
- 1906 -- The 4016 and 4017 were first shown in the 1906 catalog.
- 1909 -- The 4017 was the only one shown in the 1909 catalog. The form factor is changed to operate from a two function stem.
- 1939 -- The 4017 was last shown in the 1939 soft bound catalog
Links to catalog pages for the 4017 family of slide rules:
Scans: Link to scans of Sperry's Calculators