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Description: | A movable circular mirror on a stand with adjustable feet opposite a brass cylinder with key and 2 small levers. Angle of whole system can be changed by using a wrench, there is a scale on the pivoting part, 0-90 degrees in degree divisions, marked every 10. Marked on the "box" containing the workings is the makers name and location. | 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: | 1920-1930 | Source: | University of Aberdeen | Creator: | A. HILGER | Identifier: | http://calms.abdn.ac.uk/Geology/dserve.e... | Go to resource |
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