US$ 175.00
Long-focal double-convex glass lens at 75mm diameter and 500mm focal length
Rooster dissection model demonstrates avian anatomy
the flywheel light enough to drive by breath for hands-on reciprocating-engine study
3 glass with excellent strength against breakage
measuring period under different loads to isolate mass from weight
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$ 175.00
US$ 172.50
US$ 89.00
US$ 195.00
US$ 172.50
US$ 100.00
US$ 120.00
US$ 172.50
US$ 110.00
US$ 130.00