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Description: | Cardboard box labelled telescope tripod containing four infrared converters, individually wrapped. Devices appear for converting infrared images into visible images. 1 object label CV 144, 2 objects labelled ZACV/144, 1 object unlabelled. Valves are squat glass cylinders with transparent window at one end, opaque screen at the other, metal rings at either end for the high voltage connection, internal electrodes around the circumference, different handwritten paper label around each one describing performance with changing high voltage. | 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: | 1940-1950 | Source: | University of Aberdeen | Identifier: | http://calms.abdn.ac.uk/Geology/dserve.e... | Go to resource |
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