Collection of pages from K&E catalogs for the 4240 family of Polar Planimeters


The 4240 is a polar planimeter with an adjustable tracer arm and means to measure mean height of indicator diagrams. Refer to page 314 of the 1915 catalog for a good description of the instrument.

The following models are part of the 4240 family:


Of the catalogs available the 4240 polar planimeter first appeared in the 1901 catalog.

Links to catalog pages for the 4240 family of planimeters: