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Description: | Self-contained optical galvanometer in attractive varnished wooden box with diamond-shaped Tinsley plaque on front. Hinged lid gives access to internal construction. Rear plate with details: Tinsley type 4500 SR4, no. 91.511. Projecting rear connections and lamp housing; 4 rubber feet. Envelope within with 2 pages of typed instructions and a detailed description of twin spot arrangement but no sensitivity figure. Dated in separate type February 1951. Similar to ABDNP200962 but earlier | 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: | 1951 | Source: | University of Aberdeen | Creator: | H. Tinsley, London SE 25 | Identifier: | http://calms.abdn.ac.uk/Geology/dserve.e... | Go to resource |
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