Show BARLOWS planetarium tn in the paris exposition mr 21 barlow of lexington kentucky is exhibiting his ingenious planetarium which is designed to give ocular demonstration of the operation of the physical laws of astronomy when put in motion by means of a hand crank it shows the relative position and motions of the earth moon and inferior planets for every second with the phenomena of conjunctions transits transita tran sits eclipses nodes and phases hases bases of the moon the eccentricity of its ta orbit as well as that of venus and mercury ac the sphere representing the earth is covered with a map of the two hemispheres surrounded by a meridian and equator which always alway maintain their heir true relative position to the sun instructors by its use may give their scholars a clear idea of the changes of the seasons and of the length of days and nights in different latitudes and other interesting astronomical phenomena |