Altitude tables ... designed for the determination of the position line at all hour angles without logarithmic computation (1907)
Ball, Frederick · London, Potter · leaf 10
ave Assumed 21 12 o A.T. in 4° 30 w.Longitude 4° 30 W. (4) Enter Tables with Latitude 50° (nearest degree), Declination 9° (contrary-name), Westerly Hour Angle 21h 12m, and we find Altitude 20° 36 5. * For example, if the D.R. Longitude were 4° 12 W. and corresponding Westerly Hour Angle 4h 13m…
Altitudes -- Tables · Astronomy -- Tables
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
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