Writes to arrange a visit to Collingwood.
Writes to arrange a visit to Collingwood.
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Expresses unease about P. S. Laplace's formulation of the barometric determination of height; in a postscript comments that Michael Faraday's lecture on conservation of force is a 'strange production.'
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Regarding P. S. Laplace's barometric measurements. Michael Faraday.
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Suggests ways of eliminating transmission of vibration to a piece of sensitive equipment.
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