Spectrum Tube, Material: Bromine, 25cm long with the capillary portion about 10cm long, An electrode, sealed in each end and attached to a metal end cap with a loop for convenient hookup to wire connections, Each spectrum tube includes an activity guide.
Rectangular Block - Glass, Made from imported optical glass with optically worked surfaces, All angles accurately worked with edges slightly bevelled and glass free from bubbles, Size: 125 x 65 x 18 mm
Double Convex round Lens, Material: Glass, designed for physics and educational uses, Because of their educational use design, there may be minor imperfections that do not affect physical function, for educational uses, Size: 100mm focal length, 2in diameter and 8mm thick
Ray optics apparatus, components,lined with magnetic foil or furnished with a magnet holder and can be easily mounted and aligned on the white board. This apparatus permits a wide range of experiments demonstrating ray optics without the need for a dark room
Double Convex Lens, Highly polished, optically true lens is excellent for physics classroom demonstrations in optics and light refraction, with ground edges, great for physics classrooms, with highest grade, Size: 100 mm focal length, Lens measures 3in diameter, 0.3 weight
Double Convex round Lens, Material: Glass, designed for physics and educational uses, Because of their educational use design, there may be minor imperfections that do not affect physical function, for educational use, Size: 100mm focal length, 2in diameter and 16.5mm thick
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