Altitude tables computed for intervals of four minutes between the parallels of latitude 31⁰ and 60⁰ and parallels of declination 0⁰ and 24⁰,
designed for the determination of the position line at all hour angles without logarithmic computation.
By Frederick Ball, ... .
|Main Author:||Ball, Frederick.|
London, J.D. Potter, 1907.
xxxii, 241,  p.
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