Interchangeable Dial for Demonstration Meter, Model H Health & Genetics_Equipment & Supplies Parallelogram-of-forces apparatus on a 26

Parallelogram-of-forces apparatus on a 26 by 20 inch wall-mountable board with two clamp-on pulleys

sized to fit tight laboratory frames while carrying heavy loads

Sliding-top wooden box 7 x 2 x 1 inches

Plastic strip with two crocodile clips and 4mm sockets

25-inch aluminum tuning fork features a round stem that grips firmly without damping the vibration

Interchangeable Dial for Demonstration Meter, Model H Health & Genetics_Equipment & Supplies Parallelogram-of-forces apparatus on a 26Five hundred milliamp DC scale on a 315x115mm laminated panel with sealed shunt, sized to reconfigure the demonstration meter as a 0 500mA ammeter for general purpose student bench work.