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Description: | two short solenoids set on two opposite sides of a square wooden case and circular glass viewing chamber fitted with small magnetic pointers. The solenoids are linked in series, passing an electrical current will deflect the pointers and show the direction of the magnetic field. Hand written on the case 'Ewing model of ferromagnetic'. Why 'ferromagnetic?' Do not tilt from horizontal, many pointers are dislodged. | 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 | Source: | University of Aberdeen | Identifier: | http://calms.abdn.ac.uk/Geology/dserve.e... | Go to resource |
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