US$ 38.00
and intestines
the shorter focal distance lifting magnification for fine-print and specimen detail work
Decade capacitance box stepping 0
5cm brass rotor balanced on three pairs of adjustable cast-iron pivots
these aluminum 4-inch overflow cans come in pairs for paired-station Archimedes-principle and density investigations
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$ 38.00
US$ 15.99
US$ 110.00
US$ 144.00
US$ 187.00
US$ 32.00
US$ 2325.00