Descriptive Astronomy

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Clarendon Press, 1867 - Astronomy - 816 pages
 

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The description and pictures of sunspots are really interesting.

Contents

CHAPTER VIII
560
301
562
476
570
A CATALOGUE OF VARIABLE STARS
576
121
581
CHAPTER X
583
CHAPTER XI
593
BOOK VII
603
The Gregorian Telescope 180 The Cassegrainian Telescope 181 The Newtonian Telescope
604
The Earl of Rosses 3ft Reflector Plate XXXIV
605
The Herschelian Telescope
607
Bed for Mirrors adopted by Browning 185 Silveredglass Reflector by Browning Plate XXXV
609
Equatorially mounted Reflector by Browning Plate XXXVI
611
Brownings method of mounting the smaller mirror 188 Brownings method of mounting the smaller mirror 189 The Galilean Telescope
616
OperaGlass 191 The Positive Eyepiece 192 The Negative Eyepiece
617
The Diagonal Eyepiece
620
The Reticulated Micrometer 195 The Parallel Wire Micrometer
622
Diagram illustrating the Measurement of Angles of Position
624
CHAPTER II
627
Telescope mounted on a PillarandClaw Stand with Finder and Vertical Rack Motion
628
Telescope mounted on a PillarandClaw Stand with Finder Vertical and Horizontal RackMotions and Steadying Rods 200 Telescope on Tripod Stand ...
630
Telescope Stand with Motion in Altitude and Azi muth devised by Procter
632
The English Equatorial
635
German Equatorial by Horne and Thornthwaite
638
The German Equatorial as modified by Brodie 205 Equatoriallymounted Refractor by Beck Plate XXXVII
643
The Equatorial of the Uckfield Observatory
647
The StarFinder
648
The Portable Transit Instrument 209 The Portable Transit Instrument
651
Arrangement of Wires in a Transit Instrument 211 The Transit Instrument of the Uckfield Observatory
653
The Sextant 213 The Artificial Horizon
664
The Portable Altazimuth
677
Shooting Stars Have only recently attracted attention To be seen in greater
757
Catalogue of Binary Stars
789
VOCABULARY OF DEFINITIONS
795
INDEX OF SUBJECTS
804
624
807
627
808
628
809
INDEX OF NAMES
811
630
813
632
814
677
815

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Page 315 - For thou hast said in thine heart, I will ascend into heaven, I will exalt my throne above the stars of God...
Page 314 - So spake the grisly terror ; and in shape, So speaking, and so threatening, grew ten-fold More dreadful and deform : on the other side, Incensed with indignation, Satan stood Unterrified, and like a comet burned, That fires the length of Ophiuchus huge In the Arctic sky, and from his horrid hair Shakes pestilence and war.
Page 452 - In the first month, on the fourteenth day of the month at even, ye shall eat unleavened bread, until the one and twentieth day of the month at even.
Page 66 - While the earth remaineth, seedtime and harvest, and cold and heat, and summer and winter, and day and night shall not cease.
Page 31 - The squares of the periodic times of the planets are proportional to the cubes of their mean distances from the sun.
Page 795 - When a straight line standing on another straight line makes the adjacent angles equal to one another, each of the angles is called a right angle ; and the straight line which stands on the other is called a perpendicular to it.
Page 184 - I did not remark any beams projecting from it which deserved notice as much more conspicuous than the others ; but the whole was beamy, radiated in structure, and terminated (though very indefinitely) in a way which reminded me of the ornament frequently placed round a mariner's compass. Its colour was white, or resembling that of Venus.
Page 244 - ... properly adjusted at every instant to that of the ball, while preserving its inclination to the horizon, so that when the ball in its natural descent reached C, the tube should have been carried into the position...
Page 124 - Saturn, perhaps, devoured his children ? Or were the appearances indeed illusion or fraud, with which the glasses have so long deceived me as well as many others to whom I have shown them...

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