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The International Bureau of Weights and Measures, 1875-1975
Reading is a hobby to open the knowledge windows. Besides, it can provide the inspiration and spirit to face this life. By this way, concomitant with the technology development, many companies serveExpand
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Units and standards for electromagnetism
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Errors of observation and systematic errors
Summary Methods of displaying results of repeated measurements, and choice of measures of scatter are considered. It is argued that graphical displays and a 50 per cent probability as basis forExpand
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Physics without Einstein
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Weights and measures
The 62nd Session of the International Committee of Weights and Measures (CIPM) was held at the Pavilion de Breteuil, Sevres, from 2–4 October 1973. CIPM meets annually and carries out the business ofExpand
Development of the formulae of electromagnetism in the M.K.S. system
The use of metres, kilogrammes, amperes, etc., instead of centimetres, grammes, deca-amperes (the C.G.S. unit of current), etc. need not change the method of teaching electricity and magnetism, forExpand
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Electric units at the National Physical Laboratory, 1900-50
The author presents the history of some of the work on electrical units at the National Physical Laboratory (NPL) during the first half of the century. The government founded the standards laboratoryExpand