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
CNC milling training system, compact, desk-top unit, exposes students to the historical development of CNC, to standard G-code and use of a computer to control the machine, Features Emergency Stop push-button, door around the spindle and material has limit switches
Circuits 101 Classroom Set covers simple circuit design, including switches, diodes, batteries, resistors, transistors, and integrated circuits. Each set includes self-contained project boxes for 2-3 students, as we