Collection of pages from K&E catalogs for the 4236 family of Polar Planimeters
K&E 4236 from the 1943 Catalog
K&E 62 0000 from the 1962 Catalog
Description:
The 4236 is a polar planimeter with a fixed tracer arm set to read directly in English units. Other variations were offered for Metric and other scaling. Refer to page 214 of the 1943 catalog for a good description of the instrument.
The following models are part of the 4236 family:
- 4236 ------ Polar Planimeter, English units.
- 4236M ---- Polar Planimeter, Metric units.
- 4237 ------ A 4236 with special scaling.
- 62 0000 --- Polar Planimeter, English units with tracer lens.
- 62 0002 --- Polar Planimeter, English units with tracer point..
- 62 0005 --- Polar Planimeter, Metric units with tracer lens.
- 62 0010 --- A 62 0000 with special scaling.
History:
Of the catalogs available the 4236 and 4236M polar planimeter first appeared in the 1943 catalog.
- 1939 -- The 4236 is first shown in the 1939 price list for the 1936 catalog.
- 1943 -- The 4236M was first introduced.
- 1956 -- The 4237 was introduced in the 1956 price list for the 1955 catalog.
- 195? -- Between 1955 and 1962 the frame was changed to a modern closed top There are actual specimens of both for the 4236.
- 1962 -- The model numbers were converted to the 62 xxxx series of numbers.
- The 62 0000 is a 4236 with a tracer lens instead of a tracer point.
- The 62 0005 is a 4236W with a tracer lens in stead of a tracer point.
- The 62 0010 is a 4237 with a tracer lens.
- 1972 -- The 62 0002 was introduced. It was a 4236 with a tracer point.
Links to catalog pages for the 4236 family of planimeters: