Apparatus for demonstrating pressure-volume relationships of...

Details Apparatus for demonstrating pressure-volume relationships of... Apparatus for demonstrating pressure-volume relationships of...

G - Physics

09

B

35/13

G09B 23/12 (2006.01)

Patent

CA 1039944

EDUCATIONAL DEVICE ABSTRACT OF THE DISCLOSURE A simple, durable, and inexpensive educational device for demonstrating pressure-volume relationships especially adapted for use by educational institutions below the college level is described. The device comprises a chamber for con- taining a gas said chamber having openings at its upper and lower end portions. Piston means is provided for selectively controlling the volume and pressure of the gas in the chamber the piston means capable of being inserted in the chamber through the opening at its lower end portion. Means are in- cluded for sealing the upper opening in the chamber. The device also includes means secured the piston at its lower end portion, said means adapted to support a weight, and means for supporting the device.

186432

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