US$ 96.00
and specific gravity work
these aluminum 4-inch overflow cans come in pairs for paired-station Archimedes-principle and density investigations
5cm brass rotor balanced on three pairs of adjustable cast-iron pivots
and magnetic strength relationships
the shorter focal distance lifting magnification for fine-print and specimen detail work
Halogen Light Source for Optical Bench, 12V Entomology & Zoology_Zoology Models and specific gravity workStand 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$ 96.00
US$ 700.00
US$ 600.00
US$ 17.95