Refractometer (detail)

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A refractometer is used to demonstrate the laws of reflection and refraction, particularly when a beam of light moves from one medium to another, for example from water into air. This is a detail from an example probably madeby W. & S. Jones of London.

The detail shows the inscription on the brass refractometer's dial. It reads 'W. & S. Jones/LONDON'.

W. & S. Jones supplied large quantities of equipment, including demonstration apparatus like this, to schools and colleges in Britain, Europe and north America. They were in business from 1791 until 1855.

Record details

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• Online ID: 000-190-001-070-C
• Image Rights Holder: National Museums Scotland
• Project: National Museums Scotland
  Project description   View all records in project
• Ref: National Museums Scotland  T.1984.142
• Date: Around 1800
  c. 1800
  
• Material: Brass. Inscription: W. & S. Jones / LONDON
  Refractometer
  
• Dimensions: 150 mm x 100 mm x 180 mm
  
• What: Refractometer
  
• Subject:
• Who: W. and S. Jones (Inscribed on the refractometer)
  W. and S. Jones, London (Maker)
  
• Where: England, London
  England, London
  
• Event:
• Description: Refractometer in brass, signed by W. and S. Jones of London, c. 1800
  
• References:
  • Compare with the example in Turner, G. L'E., Van Marum's Scientific Instruments in Teyler's Museum. Leiden: 1966, p 278, which has a bibliography 
• Translations:
• Related Records: