Difference between revisions of "Page:ASC 1871 11 29 10-44.pdf/3"
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[[Category:ASC Letters]] | [[Category:ASC Letters]] | ||
India. They would give much information on the difference of character in the substrata below mountains and below sea. Long ago I suggested that the existence of mountains necessarily proved the existence of less-dense matter below then: and the Indian observations appear to support this view.<lb/> | India. They would give much information on the difference of character in the substrata below mountains and below sea. Long ago I suggested that the existence of mountains necessarily proved the existence of less-dense matter below then: and the Indian observations appear to support this view.<lb/> | ||
+ | With regard to the kind of pendulum, I should prefer the invariable pendulum <hi rend="underline">if it is certain</hi> that the surface of the knife-edge has been very carefully ground to contact with the surface to which it is screwed. I do not think that perfect confidence on a paint |
Latest revision as of 13:29, 1 December 2020
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India. They would give much information on the difference of character in the substrata below mountains and below sea. Long ago I suggested that the existence of mountains necessarily proved the existence of less-dense matter below then: and the Indian observations appear to support this view.
With regard to the kind of pendulum, I should prefer the invariable pendulum if it is certain that the surface of the knife-edge has been very carefully ground to contact with the surface to which it is screwed. I do not think that perfect confidence on a paint