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Title: electronic photometer [Go to resource]
Description: Light source, diffuser, filter slot, hollow metal tube and a 4 pin photocell socket all in wooden casing on a wooden base with 4 rubber feet and power cable (no plug). Probably used to calibrate filters and/ or photocells. 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 Creator: Unknown Identifier: http://calms.abdn.ac.uk/Geology/dserve.e... Go to resource More Like this...
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