Explore Books on
magnetic ranges

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

By Louis-Isidore Duperrey

Magnetic ranges, San Francisco Bay, California ..

By U.S. Coast and Geodetic Survey.

California, bay of San Francisco

By U.S. Coast and Geodetic Survey.