Popular Astronomy, Volume 50Goodsell Observatory of Carleton College, 1942 |
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Page 160
... instruments of this type . We come , finally , to instruments designed to measure the magnetic - field dis- tortion produced by proximity to metallic masses . It happens that all instruments constructed or tested at the Ohio State ...
... instruments of this type . We come , finally , to instruments designed to measure the magnetic - field dis- tortion produced by proximity to metallic masses . It happens that all instruments constructed or tested at the Ohio State ...
Page 162
... instruments of this sort exhaustively tested by the writer , one , which we shall refer to as no . 1 , gave superior performance in comparison with all of the others . In spite of this fact , 2 no . 1's which were carried on the 1939 ...
... instruments of this sort exhaustively tested by the writer , one , which we shall refer to as no . 1 , gave superior performance in comparison with all of the others . In spite of this fact , 2 no . 1's which were carried on the 1939 ...
Page 164
... instrument speedily suggest themselves and several of these have been developed into first - class meteorite detectors at Ohio State University . In one direction , large scale , 3 - coil instruments have been constructed which can be ...
... instrument speedily suggest themselves and several of these have been developed into first - class meteorite detectors at Ohio State University . In one direction , large scale , 3 - coil instruments have been constructed which can be ...
Contents
Bolide observed A bright 451 | 114 |
STELLAR DISTANCES FREDERICK SLOCUM | 117 |
METEORITIC FOSSILS BEN HUR WILSON | 125 |
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absolute magnitude American American Astronomical Society American Meteor Society angle appeared Astronomical Society atmosphere average azimuth changes College comets constellation craters Cygni diameter direction distance earth eclipse end point ephemeris errors fireball galactic galaxies given height horizon indicated instruments July June Jupiter latitude Lick Observatory light curve longitude luminosity lunar Mare Imbrium Mars maxima maximum mean measured meridian meteor meteorite method miles minimum moon motion nebulae Notes novae object observations Observatory obtained OCCULTATIONS Ohio orbit paper parallax path perihelion phenomena photographs planet POPULAR ASTRONOMY position predicted present probably problem projectile radiation region reports rotation seen solar spectra spectral type spectrum SS Cygni stellar sunspot surface Table telescope tion train University Variable Star variation velocity Venus visible Yerkes Observatory zenith Zodiacal Light