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Description: | Varnished hollow cubicle wooden box with glass top and no bottom; stout copper wire passes at right angles through centre of glass top; terminals mounted on box connected to either end of the wire; iron filings would be sprinkled over glass and a current passed through the wire; the iron filings orient themselves around the wire, illustrating the magnetic field generated by the current. The device can probably be used on overhead projector; a variant demonstration piece showing magnetic field around torroidal coil ABDNP201847a | License: | http://www.abdn.ac.uk/historic/Copyright_terms_conditions.shtml | Publisher: | ABDNP University of Aberdeen, Natural Philosophy Collection of Historical Scientific Instruments | Rights holder: | 47718 | Temporal: | 1946-1960 | Source: | University of Aberdeen | Identifier: | http://calms.abdn.ac.uk/Geology/dserve.e... | Go to resource |
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projector
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