US$ 27.00
Long-focal double-convex glass lens at 75mm diameter and 500mm focal length
and block and tackle
measuring period under different loads to isolate mass from weight
illustrating molecular symmetry and bonding geometry
sized for low-current circuit work below the 1A range where finer resolution matters more than full-scale capacity
Amoeba Proteus Anatomical Model with Extended Pseudopod, 1000x Magnification Material_Hardwood Long-focal double-convex glass lens atAmoeba Proteus model at 1000x magnification reveals extended pseudopod, contractile vacuoles, and nucleus for single celled organism anatomy teaching.
US$ 27.00
US$ 28.00
US$ 359.00