Sentence examples for planimeter from inspiring English sources

The earliest integrator was a mechanical instrument called the planimeter.

A practical, inexpensive polar planimeter was invented by the Swiss mathematician Jacob Amsler about 1854.

Planimeter, mathematical instrument for directly measuring the area bounded by an irregular curve, and hence the value of a definite integral.

So far as is known, Maxwell never actually built a working model of his invention, which he called a platometer, but Thomson's principle was not only applied in planimeters but adapted by his brother, the physicist William Thomson (later 1st Baron Kelvin), for a machine used in harmonic analysis of tides.