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Description: | Philips vacuum gauge. With front panel gauge divided unequally from 0 to 6 microns of mercury. Black crackle metal box with sloping front and handle. Two switches on the front; one potentiometer saying "increase voltage" for uncalibrated voltage increase and second swtich is a three positions off/set voltage/vacuum. Front panel engraving "Made in England by W. Edwards & Co. (London Ltd.)/London S.E.25". Plate on rear "Philips Vacuum Gauge Model 3 No. 7287 Supply 270". Five-pin socket on rear for attachment of cable from vacuum gauge itself. Original manufacturer's label tied to handle including details in pencil showing calibration date as 11/09/1948. Mains lead ends with a wylex. | 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: | 1948 | Source: | University of Aberdeen | Identifier: | http://calms.abdn.ac.uk/Geology/dserve.e... | Go to resource |
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