US$ 45.99
and intestines
Decade capacitance box stepping 0
Equal-mass density set in aluminum
Hand-operated vacuum pump with a 200mm copper pump plate and rubber seal
passing freely through the ring at room temperature but halted by the ring after flame heating expands the metal
Halogen Light Source for Optical Bench, 12V Entomology & Zoology_Zoology Models and intestinesStand mounted halogen lamp rated 12V 21W, with a positioning lug rod that locates accurately on standard optical benches for lens, mirror, and refraction demonstrations.
US$ 45.99
US$ 154.95
US$ 819.50