light leaper accessory, insulating printed circuit board carries a metallic conduction path with six breaks and a binding post at each end, When connected to an operating electrostatic generator, simultaneous sparks occur in each of the breaks as charge flows
Collision In Two Dimensions, Consists Of A Curved Track With A Base At One End. On The Base Is A Support To Hold A Ball At The Proper Height For A Center To Center Collision, Consists Of 25Cm One Piece Track, 3 Balls 12mm Diameter, 2 Steel, 1 Glass And 1 Plumb Bob.
Advanced Ripple Tank with Projection Mirror, 21.1lbs, 24.4x15.4x9.4in, Includes: (1) Vibration Generator, (1) Wave monitor unit, (1) Projection screen, (1) Wave dippers, (1) Lever arm and support, (1) Ripple tank, (1) Projection mirror, (1) Set of footers with adjustment screws
Parallelogram Of Forces Apparatus, Apparatus Demonstrates The Relationship Between Forces Acting At A Point, Comprised Of: A Board 25.5in X 19.7in, Two Aluminum 50mm Diameter Pulleys On Clamps, Three Iron Nickel Plated Hangers, Twelve Slotted Weights