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Description: | Stamped ' No. 88490 / SWITCH PAT. No. 329445 '; company logo on front. TYPE 4363 ' 4 cascade switches from x1 to x .00001. ' 50 OHMS PER VOLT '. Patent dated 22/05/1930. | 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: | 1949-1949 | Source: | University of Aberdeen | Creator: | H. Tinsley & Co. Ltd. London S.E. 25 The company logo is a superimposed symbol of 'T' and 'H' | Identifier: | http://calms.abdn.ac.uk/Geology/dserve.e... | Go to resource |
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