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Description: | A metal pointolite resistance box with large cylinder on top, arc switch, power cable and bulb holder/ power cable. Small plate has inscription on it, with two other plates give instructions. Changing resistance so pointolite bulbs can be powered from mains supply | 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: | 1800 | Source: | University of Aberdeen | Creator: | EDISWAN | Identifier: | http://calms.abdn.ac.uk/Geology/dserve.e... | Go to resource |
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