Vintage ASTRA-GUIDE Evenings With the Stars CELESTIAL Map Book by M.T. BRACKBILL
Vintage Astra-Guide, for Northern Hemisphere (1934 with Evening with the Stars booklet (1945). Planisphere in good condition still with the original box. Copyright on the lower left side states 1934. A planisphere is a star chart analog computing instrument in the form of two adjustable disks that rotate on a common pivot. It can be adjusted to display the visible stars for any time and date. It is an instrument to assist in learning how to recognize stars and constellations.