Measure both ways to reduce error.
Sampler of Polar and Radial Planimeters
Compensating Polar Planimeter
Measure both ways to reduce error.
Linear planimeter with prepared surface for
wheel to roll on.
Combination Polar and Linear
Modern electronic planimeter
Its workings must be new and sophisticated ...
Nope, there's the wheel!
Who would want to use a planimeter?
From the Silly Applications File ...
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Using a planimeter to measure the area of a cookie! Oregon State University |
