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 1045375

ABSTRACT OF THE DISCLOSURE A simple, durable, and inexpensive educational device for demonstrating pressure-volume relationship espec- ially adapted for use by educational institutions below the college level is described. The device comprises a chamber for containing 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 upper end portion. Means are included for sealing the lower opening in the chamber. The device also includes a base member for supporting the chamber at its lower end portion, the base member adapted to be in releasable engagement with the chamber.

186407

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