US$ 54.95
slide valve
and symmetry
transistor
Single-degree graduations and a non-magnetic plastic case allow this 100mm tangent compass to mount on any tangent galvanometer for precise direction-and-deflection readings
and an LED overload indicator
Steel Ball Bearings, 6mm, 50-Pack Subcategory_Wave Motion slide valveFifty pack of 6mm steel ball bearings for projectile launchers, ballistic pendulums, and collision experiments, consistent in mass for repeatable kinetic and potential energy calculations.