Jolly bulb metal - superior, Palm-sized, hollow metallic ball with a manometer connected to it for demonstrating change of pressure in a closed volume of air when heated or cooled, 80 mm diameter
Bragg reflection:diffraction of X-rays at a monocrystal Investigating the energy spectrum of an X-ray tube as a function of the high voltage and the emission current Duane-Hunt relation and determination of Planck's constant Moseley's law and determining Rydberg constant
Resonance Apparatus, Acrylic tube approx. 98 cm long and 2.5 cm diameter mounted on retort stand with clamp and boss, with metal vessel, connecting tubing and spring clip supported on iron ring. Dimensions: Weight (lb) 4.8x Length (in)39.0xWidth (in)3.9xHeight (in)3.1
Resonance Bowl (Chinese Spouting Bowl) 15in diameter with a Teacher Guide.Due to the vibrations caused by the rubbing of the handles, the water surface begins to ripple around the rim.Soon water drops shoot up quickly becoming continuous streams called standing wave.
Manometer without Stopcock, to highlight the variation of pressure in a liquid with depth. It consists of a pressure capsule of 35 mm placed in a bent steel tube, measured by a pressure gauge mounted on a graduated support. Includes beaker
II Launch Pad, Porta-Pad*, with blast deflector and standoff, two-piece 1/8 inch launch rod, safety cap and key, no glue/tools required, Quick assembly,
Acrylic Light Pipe, 24x1/2in - Clear, 2 feet of pipe coiled up at one end to demostrate light transmission end to end, transmits light like fiber optic cable, Weight (lb): 0.7, Length (in):9.0, Width (in):3.0, Height (in):4.0