Used for making fuel cells. There is an excellent laboratory manual for making fuel cells on our website at www.frederiksen.eu.Supplied as a roll.
Replacement torsion bands for the Gravitational Torsion Balance (AP-8215A).
Replacement Spheres and collars for the Gravitational Torsion Balance (AP-8215A). Designed to convert to Tungsten while maintaining the proper large sphere dimensions.