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Title: glass trough [Go to resource]
Description: a blown glass trough. In the trough lies a brass ferrule with a wooden peg inserted at each end, brass screws hold the ends in place. The ends of the wood are abraded and charred; possibly some form of braking mechanism 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 Source: University of Aberdeen Identifier: http://calms.abdn.ac.uk/Geology/dserve.e... Go to resource More Like this...
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