Where can I find used PSSC Physics Lab equipment?
I see 27 items under PSSC Physics, for example: Collision in Two Dimensions This inexpensive apparatus is a rich source of data for studying conservation of momentum and conservation of kinetic energy in collisions. It is also used to compare elastic and inelastic collisions. A curved metal track and an adjustable target support form the core of the unit. It is supplied with two steel balls, a glass ball, and a plumb bob. It requires a C-clamp for mounting on a table. $19.95 http://sciencekit.com/collision-in-two-dimensions/p/IG0023456/ Three Wheel Dynamics Carts Each cart is ruggedly constructed of wood and aluminum, and rides on three ball bearing wheels. One of the carts is equipped with an exploder piston that is activated by a trigger on top of the cart. Each cart measures 30.5 cm long and 8 cm wide excluding the wheels. Furnished complete with 10 towing bands. Dynamics Carts PSSC, pair $77