Publications of the Astronomical Society of the Pacific, Том 7Astronomical Society of the Pacific., 1895 |
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Загальні терміни та фрази
819 Market Street April Astronomical Society August axis breaker bright BURCKHALTER C. D. PERRINE California CAMPBELL changes circle clock coma condensations constellation craters CROSSLEY Reflector Decl Declination determined diameter distance dome Earth east eastward eclipse EDWARD CROSSLEY equatorial error exposure feet focal length fumaroles GELDERN give given Greenwich groups HARVARD College Observatory helium HOLDEN hour hydrogen inches instrument July June Jupiter latitude LICK Observatory limb lunar magnitude Mars Mercury meridian meridian circle meridian room meteor minutes month Moon's morning star motion Mount Hamilton Mount Ptolemy nebula November nucleus observations obtained October Orion nebula Pacific Pacific Standard papers pendulum photographs planet plates position present Professor proper motion Publications refractor Right Ascension rises RORDAME'S comet rotation San Francisco Saturn SCHAEBERLE Secretary Shadow reaches solar spectroscope spectrum streamers tail telescope terrestrial tion transit University Uranus velocity W. J. HUSSEY YERKES OBSERVATORY ΙΟ
Популярні уривки
Сторінка 116 - Microseismic shock recorded by a single seismograph, or by seismographs of the same model, but not putting seismographs of different patterns in motion ; reported by experienced observers only. II. Shock recorded by several seismographs of different patterns ; reported by a small number of persons who are at rest. "A very light shock." III. Shock reported by a number of persons at rest ; duration or direction noted. "A shock;"
Сторінка 116 - II. Shock recorded by several seismographs of different patterns ; reported by a small number of persons who are at rest. "A very light shock." III. Shock reported by a number of persons at rest ; duration or direction noted. "A shock;"
Сторінка 294 - You are to make the best of your way to the Southward of the Equator, and there to observe on the East Coast of South America, and the West Coast of Africa, the variations of the Compasse, with all the accuracy you can, as also the true Scituation both in Longitude and Latitude of the Ports where you arrive.
Сторінка 116 - VI. General awakening of sleepers; general ringing of bells; swinging of chandeliers; stopping of clocks; visible swaying of trees; some persons run out of buildings; window glass broken. "Severe;" "very severe;" "violent." VII. Overturning of loose objects; fall of plaster; striking of church bells; general fright, without damage to buildings. "Nausea felt;" " violent;"
Сторінка 183 - ... rested upon the idea of absolute coincidence. This confidence has not been disturbed until within a few years, when the question has been reopened. But it has now apparently been settled upon a new and firmly established basis. Dr. Chandler's work upon this subject began with observations made by him in 1884-85, using a novel form of astronomical instrument of his own invention. These observations, continued uninterruptedly for thirteen months, revealed a progressive change of a pronounced periodical...
Сторінка 116 - VIII. Fall of chimneys, cracks in the walls of buildings. IX. Partial or total destruction of some buildings. X. Great disasters, ruins, disturbance of strata, fissures in the earth's crust, rock-falls from mountains.
Сторінка 298 - ... &c. — I was sceptical enough to doubt that any compound of nitrogen, when boiled with acid, would yield free nitrogen. The result has justified the scepticism. The mineral employed was cleveite, essentially a uranate of lead, containing rare earths. On boiling with weak sulphuric acid, a considerable quantity of gas was evolved.
Сторінка 184 - ... which will be separately spoken of later. The keynote of these investigations, and the undoubted cause of the success which has attended them, lies in the fact that at the outset he first recognized the necessity of deliberately disregarding all teachings of the adopted theory, which had misled previous investigators, and of examining the facts by a purely inductive process, taking nothing for granted, and basing all conclusions strictly upon the observations themselves. It is impossible to give...
Сторінка 111 - Jan. 30, announces that at a special meeting of the Council, held on January 26th, it was decided to postpone the proposed meeting in San Francisco. An invitation from Springfield, Mass., to hold the meeting of 1895 in that city, was accepted. The date of the meeting was fixed as follows: Council meeting, Wednesday, August 28th, at noon ; General...