US$ 10.00
Round perspex refraction block
the numbered dicot leaf model on a base maps epidermal
5-inch optical lens set with three double-convex and three double-concave lenses at 200mm
Polished non-warping wooden base with a built-in meter-scale carries a compass-box magnetometer
Penny Head Solid Cone Stopper, 10/19, Borosilicate Glass Human Anatomy_Human Skeletons & Bones Round perspex refraction blockPenny head solid cone stopper in borosilicate 3. 3 glass features 10 19 cone for sealing ground joint vessels with finger grip top design.
US$ 10.00
US$ 36.99
US$ 148.00
US$ 120.00
US$ 18.00
US$ 24.45
US$ 52.00
US$ 44.99
US$ 62.00
US$ 48.99