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Description: | Rectangular wood base on four ball feet. Two wooden columns, one of which has a large dial, graduated in degrees of angle, and pointer . Metal rod between two, fixed to one column and attached to lever and pulley system at other (dial) column, which magnifies expansion and causes appreciable deflection of needle. | 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: | 1800-1860 | Source: | University of Aberdeen | Creator: | signed Claxton and Morton, London | Identifier: | http://calms.abdn.ac.uk/Geology/dserve.e... | Go to resource |
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Type 6/18
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