Holder for loose Ø 50 mm lenses and 50 x 50 mm apertures.
The 80 x 72 mm shielding plate incorporates a spring-loaded holder for lenses and apertures from 1 to 16 mm thick.
Excl. saddle.
Replacement torsion bands for the Gravitational Torsion Balance (AP-8215A).
Allows students to measure angular velocity, acceleration, centripetal forces, and other full range of motion experiments.
LED Light Source with adjustable brightness control, for use with Millikan Oil Drop Apparatus.
Allows the students observation of velocity of drop rising in an electric field, then permits calculation of the force on the charge carried by the oil drop.
Replacement Spheres and collars for the Gravitational Torsion Balance (AP-8215A). Designed to convert to Tungsten while maintaining the proper large sphere dimensions.
