OR QUINTANT. THE PRACTICE OF A NEW SECTOR AS USED IN TRIGONOMETRY, SURVEYING, FORTIFICATION, GUNNERY, OBSERVATIONS. BY FREDERICK R. A. GLOVER, M.A. CHAPLAIN TO HER BRITANNIC MAJESTY'S CONSULATE AT COLOGNE. Cambridge: DEIGHTON, BELL AND CO. LONDON: BELL AND DALDY. 1859. 183, c. 14. |