Collection of pages from K&E catalogs for the 4220 family of Polar Planimeters
The 4220 is an Amsler style polar planimeter. Refer to page 311 of the 1913 catalog for a good description of the instrument.
The following models are part of the 4220 family:
- 1102 ------ Polar Planimeter with multiplier wheel
- 4220 ------ Polar Planimeter with multiplier wheel
Of the catalogs available the 4220 polar planimeter first appeared in the 1892 catalog.
Links to catalog pages for the 4220 family of planimeters: