The sextant simplified; a practical explanation of the use of the sextant at sea,

Bibliographic Details
Main Author: Watts, Oswald Martin (Author)
Format: Book
Language:English
Published: Sunderland [England] T. Reed [1942]
Subjects:
Description
Physical Description:vii, [1], 91 pages folded frontispiece, illustrations, folded plates, diagrams 23 cm