The effect of changing magnetic declination on the compass
By: L.R. Newitt.
Series: Geological Survey of Canada miscellaneous report ;; 52; Miscellaneous report (Geological Survey of Canada) ;; 52.
Publisher: Energy, Mines, and Resources Canada; Canada Communication Group Pub. [distributor]
Published: 1991
Place of publication: [Ottawa, Canada]
Language: eng
Subjects: Compass.; Magnetic declination.
Other titles: Effet de la variation de la déclinaison magnétique sur la boussole.
Notes: English and French.
Title on added t.p.: Effet de la variation de la déclinaison magnétique sur la boussole.
"Cat. no. M41-8/52"--T.p. verso.