Book La Catrina Workbook Answer Key PDF - Best Library
The following information can be determined at a glance from the Electric 
Astrolabe graphics display once it is set to a location, date and time: ..... For 
example, the Astro Compass, Mk. II, used by the U.S. air force until recently and 
the prismatic astrolabe used to find the precise instant that a star reaches a 
specified altitude ...							

