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Description: | A medium sized glass electronic valve with plastic base and 8 pins. A large metal holder is fixed around the middle with 2 inlets which allow something to screw in and another 2 which allow something to plug in? Code is stamped on in white ink. Part of a massive collection of valves in a cardboard box. | 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 | Identifier: | http://calms.abdn.ac.uk/Geology/dserve.e... | Go to resource |
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