Results of Meteorological Observations Made ..., Volume 22 |
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Radcliffe Observatory. The Position - Circle , Declination - Circle , and Hour - Circle . Observations for determining the Errors of Position of the Polar Axis . OBSERVATIONS OF COMET II OF 1862 , MADE WITH THE HELIOMETER Readings of the ...
Radcliffe Observatory. The Position - Circle , Declination - Circle , and Hour - Circle . Observations for determining the Errors of Position of the Polar Axis . OBSERVATIONS OF COMET II OF 1862 , MADE WITH THE HELIOMETER Readings of the ...
Page vi
... position by tapping the eastern bed - plate , the south collimator being ... reading off , the division is placed midway between them . A great portion ... positions as in the use of the instrument by Mr. Carrington . The Collimating ...
... position by tapping the eastern bed - plate , the south collimator being ... reading off , the division is placed midway between them . A great portion ... positions as in the use of the instrument by Mr. Carrington . The Collimating ...
Page xxxiii
... readings of the telescope - micrometer have then been reduced to arc ... Reading . For the determination of the zenith - point it has been the practice to observe ... position of the telescope . In the year 1862 the number of reflexion ...
... readings of the telescope - micrometer have then been reduced to arc ... Reading . For the determination of the zenith - point it has been the practice to observe ... position of the telescope . In the year 1862 the number of reflexion ...
Page xlv
... position to the line of separation of the halves of the object - glass . On ... readings of the microscopes gives ( after accounting for the runs ) the ... position of the polar axis , I would refer to the Radcliffe Observations for 1861 ...
... position to the line of separation of the halves of the object - glass . On ... readings of the microscopes gives ( after accounting for the runs ) the ... position of the polar axis , I would refer to the Radcliffe Observations for 1861 ...
Page xlvi
... position of the moveable image with regard to the fixed image ( the four images being brought into line at equal distances ) and then , after reading the position circle , to read the scale for three separate measures with the moveable ...
... position of the moveable image with regard to the fixed image ( the four images being brought into line at equal distances ) and then , after reading the position circle , to read the scale for three separate measures with the moveable ...
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Common terms and phrases
air-thermometers to reduce Angles of Position Apparent Error Aquarii Aquilæ Assumed value Assumed zero Barograph Barom bluish Boötis Cancri Capricorni cession in N.P.D. Ceti Circle Cloudy Comet Concluded Scale Readings Dead calms depends on Lacaille determining stars Distances from Zero Eridani Error of Tabular Geminorum Greenwich Mean Groombr Groombridge h. m. div Heliometer Herculis Highest in sunshine Inches July 14 July 21 June 11 June 23 June 9 Leonis Libræ Lowest on grass Mags Mean N.P.D. Mean R.A. Measures in Arc mometers Name of Star Nautical Almanac Number of Obs Observatory Obsr Ophiuchi Overcast Pegasi Perigee Piscium Polar Diameter Polaris RADCLIFFE OBSERVATIONS RADCLIFFE OBSERVATORY Reflexion Right Ascensions Sagittarii Scale Divisions self-registering max Self-Registering Ther Sept Serpentis Showers Sidereal Table Tauri unsteady Ursa Minoris Virginis wires Zero in Scale zero of position-circle دو
Popular passages
Page 2 - Sin a in the direction of the Meridian and at right angles to it, being considered positive towards the North and East.
Page iv - Ocean, the first thing which strikes us is, that, the north-east and south-east monsoons, which are found the one on the north and the other on...
Page 1 - Equation for expressing in the usual periodic formulas the reading at any hour of the day reckoned from noon, in terms of the mean value and the hour of the day. The principal maximum values, both positive and negative, for each month as derived from the forementioned equation are as follows : — Month.
Page xli - A weighted arithmetic mean is obtained by multiplying each value by some non-negative weight before summation and then dividing the sum of the products by the sum of the weights.
Page xxvii - HUBBAKD has given a very simple table by which the values of log A, log B, log C, and log D as given in the Tab.
Page 95 - Right Ascensions and North Polar Distances of the Centre of the Sun. Oxford Mean Solar Time of Transit of Centre. RA Seconds of Tabular RA Apparent Error of Tabular RA N-.FD Seconds of Tabular NF D. Apparent Error of Tabular NI