US$ 162.00
Used to demonstrate parallel-circuit current and brightness behavior
Plated spring arm with press knob and a single contact stud
8mm rod attachment and a centered 50mm aperture together hold a lens square against an optical-bench rail for repeatable refraction
Two-gate photogate system with gate
14-Piece Solid Brass Slotted Mass Set Biology_Botany Used to demonstrate parallel-circuit currentBrass fourteen piece slotted mass set machined across 1 to 500 gram pieces at a 1110 gram total, supplied on a plastic and metal rack with a carrying handle for classroom transport.
US$ 162.00
US$ 52.50
US$ 139.60
US$ 192.50
US$ 31.04
US$ 139.60