US$ 67.65
the shorter focal distance lifting magnification for fine-print and specimen detail work
Decade capacitance box stepping 0
5 inch base
5cm brass rotor balanced on three pairs of adjustable cast-iron pivots
and specific gravity work
Halogen Light Source for Optical Bench, 12V Entomology & Zoology_Zoology Models the shorter focal distance liftingStand mounted halogen lamp rated 12V 21W, with a positioning lug rod that locates accurately on standard optical benches for lens, mirror, and refraction demonstrations.