Description

75-inch full-class units

Hand-cranked cam turning against both a straight follower and a lever follower

Ratchet-stopped nickel-plated brass 25 mm micrometer screw gauge reading to 0

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 75-inch full-class unitsDemonstrates 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.

Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
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Reed Relay Demonstration Board Science at Home_General Science Supplies 75-inch full-class units

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