Extra Dense Flint Equilateral Glass Prism, 48mm, R=1.62 Science at Home_General Science Supplies Non-conductive and waterproof fifteen-meter fiberglass

Non-conductive and waterproof fifteen-meter fiberglass tape measure with PVC coating and a flush winding handle

Cast in powder-coated zinc alloy at thick gauge for high torsional strength

and washable

and the alternator principle with stationary inductors

Built for introductory head dissection

Extra Dense Flint Equilateral Glass Prism, 48mm, R=1.62 Science at Home_General Science Supplies Non-conductive and waterproof fifteen-meter fiberglassPairs equilateral 48 by 48mm shape with extra dense flint glass at refractive index 1. 62, the lead flint body delivering pronounced dispersion through a 60 degree triangular cross section.