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Title: siren [Go to resource]
Description: Single chamber; twin dial siren with single set of holes; wooden cone piece for inserting into air chamber. Pulley wheel to drive. Engraved on rear 'Univ. Abdn. Nat. Phil.' 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: 1840-1855 Source: University of Aberdeen Creator: Watkins & Hill / Charing Cross / London Identifier: http://calms.abdn.ac.uk/Geology/dserve.e... Go to resource More Like this...
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