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Description: | Has a tapped coil forming a vertical loop in the centre of which lies a magnetic pointer on a ruby bearing and circular dial held by two brass legs on a circular wooden base with three brass adjustable feet. Three terminals marked 1,2,3 are joined to the coil windings. Dial scale is four quadrants of 90 deg. Enclosed in a glass dome with green cloth collar. Under base stamped 2053 | 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 | Creator: | Philip Harris & Co (1913 Ltd) | Identifier: | http://calms.abdn.ac.uk/Geology/dserve.e... | Go to resource |
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