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