US$ 14.99
sized as a generic spare in the PH1118 demonstration-meter scale series for swap-in classroom use
Double-walled in aluminum to minimize heat exchange with the surrounding air
3125 inch thickness
and home reading
Pairs 75 by 50mm with 18mm thickness on an acrylic rectangular refraction block
Hollow Acrylic Semi-Circle for Refraction Index Study, 3 x 1.5 x 1.75" Subject_Anatomy sized as a generic spareAcrylic semi circular block measuring 3 x 1. 5 x 1. 75 inches with a center indicator line, used to study Snell's law, total internal reflection, and critical angle behavior.
US$ 14.99
US$ 24.69
US$ 20.00
US$ 26.00
US$ 19.95