Publications of the Astronomical Society of the Pacific, Volumes 3-4Astronomical Society of the Pacific, 1891 |
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Page 24
... direction , pointed to convection as the source of variation . Under the circumstances , a change in weight due to any effect in temperature upon the weight of filament ; would have been detected probably to the extent of ± 2 ...
... direction , pointed to convection as the source of variation . Under the circumstances , a change in weight due to any effect in temperature upon the weight of filament ; would have been detected probably to the extent of ± 2 ...
Page 25
... direction of current in the wire , all suggested that the belief that the changes in balance observed were due in the first stage to a steady electro - magnetic repulsion be- tween mercury cups and the immersed electrodes , and , in the ...
... direction of current in the wire , all suggested that the belief that the changes in balance observed were due in the first stage to a steady electro - magnetic repulsion be- tween mercury cups and the immersed electrodes , and , in the ...
Page 32
... concave grating described above , but is , of course , plane instead of concave . The jaws of the slit move equally in both directions from the center , and the whole slit - plate can be moved across the end of 32 Publications of the.
... concave grating described above , but is , of course , plane instead of concave . The jaws of the slit move equally in both directions from the center , and the whole slit - plate can be moved across the end of 32 Publications of the.
Page 34
... direction of the coronal streamers with the lines of force produced under these conditions . The repulsion of the sur- faces of infinitesimally small particles , obeying this law , is all that is required as a fundamental conception ...
... direction of the coronal streamers with the lines of force produced under these conditions . The repulsion of the sur- faces of infinitesimally small particles , obeying this law , is all that is required as a fundamental conception ...
Page 36
... direction of projection . projection of coronal pole B on the plane of the disk A D. C = point measured , seen in projection . In the spherical triangle we have given ' , p ' , 90 - a , for each point discussed . The solution is , sin B ...
... direction of projection . projection of coronal pole B on the plane of the disk A D. C = point measured , seen in projection . In the spherical triangle we have given ' , p ' , 90 - a , for each point discussed . The solution is , sin B ...
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Common terms and phrases
angle aperture appears Astronomical Astronomical Society atmosphere August axis bright BURCKHALTER California Street Catalogue Chicago Section chronometer Comet Committee copies corona coronal pole crater dark diameter Directors disc distance drawings E. E. BARNARD eclipse elected elongated equator equatorial exposure eye-piece HOLDEN inches instrument J. M. SCHAEBERLE July Jupiter Jupiter's KEELER latitude Library Lick Observatory light limb London longitude lunar magnitude means meeting meridian meridian circle meteors minutes Miss CLERKE MOLERA Moon Mount Hamilton nebula negatives object observations obtained Pacific parallax Paris photographic PIERSON planet plates polar position present Prof Professor WEINEK proper motions Publications radiant rays reference book right ascension ring San Francisco satellite SCHMIDT Secretary seen shadow solar spectra spectrum spot stars stellar sun-spots sun's telescope temperature tion TRANSIT OF MERCURY U. S. Naval Observatory University visible W. H. S. MONCK W. W. CAMPBELL Washington Zodiacal light