Buzzer On Base, Simple Circuit Modules Can Be Used To Construct Simple Circuits Of The Type Normally Implemented On, For Example A Worcester Circuit Board. Very Useful For Younger Pupils To Learn More Applications Of Circuits Anddevices. The Modules Are Having 4mm Plug Connections.
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
Solar Eclipse Viewer, Safe for Direct Solar Viewing, Material: Black Polymer, Meets the Standard for ISO 12312-2:2015, CE certified, Filter out 100% of harmful ultra-violet and infrared and 99.999% of intense visible light, Hand Held Card: 3x5in with 1x4in Aperture
Wave Apparatus Demo - Metal, Consisting of a number of eccentric disc supporting a series of metal rods on revolving the handle. For demonstrating longitudinal and transverse motion.
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