Philosophical Transactions of the Royal Society of London, Volume 108W. Bowyer and J. Nichols for Lockyer Davis, printer to the Royal Society, 1818 |
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Page 35
... clocks . At the conclusion of this article is a short note , in which the author adds , " J'ai proposé en 1790 à l'Academie des Sciences un moyen " de déterminer la longueur du pendule en faisant osciller un pendule composé sur " deux ...
... clocks . At the conclusion of this article is a short note , in which the author adds , " J'ai proposé en 1790 à l'Academie des Sciences un moyen " de déterminer la longueur du pendule en faisant osciller un pendule composé sur " deux ...
Page 36
... second objection would indeed be of weight , were the usual method of determining the time of vibration resorted to , by com- paring the pendulum with a clock , at the distant 36 Capt . KATER's experiments for determining the.
... second objection would indeed be of weight , were the usual method of determining the time of vibration resorted to , by com- paring the pendulum with a clock , at the distant 36 Capt . KATER's experiments for determining the.
Page 37
Royal Society (Great Britain). paring the pendulum with a clock , at the distant intervals of 24 hours ; but it will hereafter appear , that should any alte- ration in the form of the knife edge take place , it must become perceptible ...
Royal Society (Great Britain). paring the pendulum with a clock , at the distant intervals of 24 hours ; but it will hereafter appear , that should any alte- ration in the form of the knife edge take place , it must become perceptible ...
Page 40
... clock . The house is substantially built , and is situated in a part of Portland Place not liable to much disturbance from the passing of carriages . The room in which the experiments were made is the last of two on the ground floor ...
... clock . The house is substantially built , and is situated in a part of Portland Place not liable to much disturbance from the passing of carriages . The room in which the experiments were made is the last of two on the ground floor ...
Page 41
... clock , it will be sufficient to remark , that three tenths of a second was the greatest variation in its daily rate from the 220 February , when the observations commenced , to the 31st July ; and consequently the deviation from its ...
... clock , it will be sufficient to remark , that three tenths of a second was the greatest variation in its daily rate from the 220 February , when the observations commenced , to the 31st July ; and consequently the deviation from its ...
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Common terms and phrases
20 feet telescope 24 hours ammonia angle appear Aquila ascertained axes axis Azimuth Barom barometer barytes BIOT blood bones calcareous spar carbonate centre chlorine Clock cluster of stars coagulum colour compression connoissance crystals DALTON Daumergidda deduced degree determined double refraction elastic force equal equation experiments glass globules Hazy heat hypophosphorous acid inches index error knife edges latent heat latitude length lime MDCCCXVIII mean measure mercury meridian mètre micrometer microscope muriatic muriatic acid Namthabad nearly number of vibrations obtained oxygen parallax Patchipolliam pectoral fin pendulum phenomena phosphoric acid phosphorus plane plate polar distance polarising force pole position potash prism produced profundity Punnæ purpurate quantity rectangular right ascension scale Sin.² Slider specific gravity sternum strontian sulphate supposed surface SW 1 Cloudy Temp temperature Therm thermometer thickness tints tion tube turnsol vapour Vibrations in 24 weight