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Description: | Wooden barrel ( for holding dilute sulphuric acid ) with central drum carrying plates. DC applied to terminals on either drum of barrel and AC taken off plates. Stout cast iron frame to hold central axis. Barrel lid removable and two halves stamped '4' on underside. Barrel height 200 mm. For use in conjunction with Ewing's magnetic hysteresis curve tracer (museum no. 129 ) | 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: | 1895-1915 | Source: | University of Aberdeen | Creator: | Engraved on lid: Nalder Ross & Co / London. No 5039 | Identifier: | http://calms.abdn.ac.uk/Geology/dserve.e... | Go to resource |
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