Description
Pocket-sized 45mm aluminum compass with a graduated dial
125 inch Alnico horseshoe
and 6V-powered ignition light staging each step
Reproduces Oersted's 1820 experiment
Hand-cranked pulley steps up to a smaller dynamo pulley through a rubber belt
Bench Clamp Pulley Fitting with Nylon Ball Bearing Material_Bristle Pocket-sized 45mm aluminum compass withNylon ball bearing pulley with a bench clamp fitting for edge mounting on a worktable, the lower friction variant of the metal bearing bench clamp pulley in the series.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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