US$ 134.95
and critical-angle behavior
and pyramidal geometries
Flame-heated thermal-expansion demonstrator with a 19mm metal ball dropping through a matched ring when cool
the lighter companion to the PH0341A roller for inclined-plane investigations
Amoeba model demonstrates pseudopodia
Lens Cleaning Tissue, 25-Sheet ag sci and critical-angle behaviorBuilt for optical surfaces, this 25 sheet lens cleaning tissue pack wipes microscope oculars, objectives, eyeglasses, and camera lenses without scratching.
US$ 134.95
US$ 69.00
US$ 124.50
US$ 68.99
US$ 144.50