Pressure switch (ring pressure). Closes contact as long as it is pressed.
The switch is mounted on a solid base plate with safety bushings.
Max. breaking current: 3 A.
Base plate: 120 x 90 mm.
Designed to allow the use of a force sensor as a balance.
Set of four 4 oz bottles of mineral oil, for use with the Millikan Oil Drop Apparatus.
Replacement Spheres and collars for the Gravitational Torsion Balance (AP-8215A). Designed to convert to Tungsten while maintaining the proper large sphere dimensions.
Replacement torsion bands for the Gravitational Torsion Balance (AP-8215A).
Designed to measure both pulling and pushing forces allowing labs from cart collisions to tug-of-war.
