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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Pagina 42
... feet in front of the clock . This served as a support , to which was attached a small telescope , magnifying about four times , test . which was capable of a horizontal motion on its axis 42 Capt . KATER's experiments for determining the.
... feet in front of the clock . This served as a support , to which was attached a small telescope , magnifying about four times , test . which was capable of a horizontal motion on its axis 42 Capt . KATER's experiments for determining the.
Pagina 300
... telescope , 36 feet long , for observ- ingy Draconis , found a change of place agreeing with a considerable parallax . The great mechanical skill of Dr. HOOKE , the length of his telescope , and the precautions he took , seemed to leave ...
... telescope , 36 feet long , for observ- ingy Draconis , found a change of place agreeing with a considerable parallax . The great mechanical skill of Dr. HOOKE , the length of his telescope , and the precautions he took , seemed to leave ...
Pagina 301
... feet , constructed in the manner he describes his , could have been liable to an error of 30 " ( which was doubt ... telescope of Mr. Pond , as given in the last volume of the Transactions , would in them- selves appear to indicate a ...
... feet , constructed in the manner he describes his , could have been liable to an error of 30 " ( which was doubt ... telescope of Mr. Pond , as given in the last volume of the Transactions , would in them- selves appear to indicate a ...
Pagina 396
... feet ; the top ending in a bluntish point . Twelve feet six inches of the ... telescope being levelled , and its cross wires intersect- ing the highest ... telescope being carefully pre- served ; the perpendicularity of the staff was ...
... feet ; the top ending in a bluntish point . Twelve feet six inches of the ... telescope being levelled , and its cross wires intersect- ing the highest ... telescope being carefully pre- served ; the perpendicularity of the staff was ...
Pagina 397
... feet from the telescope , therefore no allowance was necessary for the earth's curva- ture . I found the most expeditious and exact mode of managing the pole , was to stop Mr. AIREY , when I perceived its top to be about an inch above ...
... feet from the telescope , therefore no allowance was necessary for the earth's curva- ture . I found the most expeditious and exact mode of managing the pole , was to stop Mr. AIREY , when I perceived its top to be about an inch above ...
Overige edities - Alles bekijken
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Veelvoorkomende woorden en zinsdelen
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