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Identifier: philtrans01285435 (find matches)
Title: Atmospheric Electricity in High Latitudes
Year: 1906 (1900s)
Authors: Simpson, G.
Subjects: Proceedings of the Royal Society of London Philosophical Transactions of the Royal Society
Publisher: Royal Society of London

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96 MR. GEORGE C. SIMPSON ON THE errors of reading were avoided and errors due to the unsteadiness of the leavesgreatly diminished. After having by this method obtained a measurement, using, say, a positive charge,the observation was repeated using a negative charge, and finally another observationwith a positive charge. The mean of the two positive values, together with thenegative value, were used as the result of the whole observation. This method Ifound to be absolutely necessary if reliable values of the ratios q and r were to beobtained, for both dissipation and ionization undergo great changes in the course ofthe time taken to make an observation. A whole observation when taken in this wayoccupied an hour and a quarter. Long experience taught me to know when I could expect difficulties with theinsulations. On such days, instead of the method sketched above, an observationwas taken with one charge, and after that the insulation tested for 15 minutes,then an observation with the o

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https://www.flickr.com/photos/internetarchivebookimages/14578644618/

Author Simpson, G.
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  • bookid:philtrans01285435
  • bookyear:1906
  • bookdecade:1900
  • bookcentury:1900
  • bookauthor:Simpson__G_
  • booksubject:Proceedings_of_the_Royal_Society_of_London
  • booksubject:Philosophical_Transactions_of_the_Royal_Society
  • bookpublisher:Royal_Society_of_London
  • bookcontributor:
  • booksponsor:
  • bookleafnumber:34
  • bookcollection:philosophicaltransactions
  • bookcollection:additional_collections
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28 July 2014


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