Stopwatch belonging to Lord Kelvin (Sir William Thomson)

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This silver stopwatch belonged to the distinguished physicist Sir William Thomson, Lord Kelvin of Largs. He used it to time his experiments.

This watch was made by A.W. Co. Waltham.

Sir William Thomson, Lord Kelvin of Largs, 1824-1907, contributed much to the study of electricity, magnetism and heat. He designed several scientific instruments and worked to establish international electrical units and standards.

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• Online ID: 000-000-099-952-C
• Image Rights Holder: National Museums Scotland
• Project: Innovators and Innovations (multimedia essay)
  Project description   View all records in project
• Ref: National Museums Scotland  T.1976.76
• Date: 19th century
  After 1880
  
• Material: Silver / cardboard box. Inscription: Pye Radio Ltd
  Stopwatch / box
  
• Dimensions:
• What: Stopwatch / box
  
• Subject: 20. TIME MEASUREMENT, Watches (Departmental Classification)
  
• Who: Dr Sime (owner)
  Lord Kelvin (Sir William Thomson) (scientist and inventor)
  
• Where:
• Event:
• Description: Silver stopwatch, contained in a cardboard box, made by A.W. Co. Waltham and used by Lord Kelvin to time his experiments
  
• References:
  • Thompson, Silvanus P. The life of William Thomson, Baron Kelvin of Largs. London: Macmillan, 1910
  • Tunbridge, Paul. Lord Kelvin: his influence on electrical measurements and units. London: Peregrinus, 1992
• Translations:
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