Name/Title
Polar PlanimeterEntry/Object ID
1000.2219.4Description
Planimeter, polarMade/Created
Manufacturer
Keuffel & Esser Co.Date made
1957 - 2063Notes
where made: Germany
model number: 4236MGeneral Notes
Note
Compensating planimeter measures area.
The user traces the outline of a space and it mechanically calculates the area.
Used on maps, also used on biological cells.
Calculates in metric, in original box.