1-4 of 4 Books
L' art de naviger perfectionné par la cognoissance de la variation de l'aimant, ou, Traicté de la variation de l'aiguille aimantée
L' art de naviger perfectionné par la cognoissance de la variation de l'aimant, ou, Traicté de la variation de l'aiguille aimantée
By G. Denys
Magnetical observations on the variation and dip of the needle
Magnetical observations on the variation and dip of the needle
By Louis-Isidore Duperrey
Magnetic ranges, San Francisco Bay, California ..
Magnetic ranges, San Francisco Bay, California ..
By U.S. Coast and Geodetic Survey.
California, bay of San Francisco
California, bay of San Francisco
By U.S. Coast and Geodetic Survey.