Description

and assorted metal samples for structured lessons

Millimeter-graphed 100 x 75mm screen on a 2

Built for wing-spreading during insect mounting

securing a thermometer to any support rod at the angle needed for hands-free temperature monitoring during an experiment

Reed Relay Demonstration Board Science at Home_General Science Supplies and assorted metal samples forDemonstrates electromagnetic switching on a base with 4mm plug connections, where current through a coil closes a separate contact and shows how a small signal controls a larger circuit.

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Reed Relay Demonstration Board Science at Home_General Science Supplies and assorted metal samples for

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