A new treatise on the practice of navigation at sea : containing all the details necessary to enable the mariner to become a good practical navigator. (1902)
Thoms, William · New York : Printed for the author and sold by John Bliss & Co · leaf 195
e Ob.servation, 2h 58m P. M. The Moon havingnearly the same Hour Angle to the Eastward of the Meridian, appears to a spectator situated at a greatJistauoe to the Eastward of the Earth, (which is in the centre,) to be nearly in the same line of bearing^jut the following Figure, drawn with the… … ISAeci-lA THOKISSCHY. In this last Figure both bodies are seen on the Prime Vertical, East and West of the Meridian, theirAltitudes are laid off from the line of Chords, and their Apparent Central Distance measures on the scale88* 13 29. Now, it is evident that by raising the Moon (which the…
Navigation · Nautical astronomy
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