Early records of the magnetic declination in North America
By: by John Langton
Series: CIHM/ICMH Microfiche series = CIHM/ICMH collection de microfiches -- no. 42011; CIHM/ICMH microfiche series -- no. 42011
Publisher: s.n.]
Published: 1865
Place of publication: [Quebec?
Language: eng
Format: Microform
Number of pages: 10
Notes: "Read before the Literary and Historical Society, Quebec."

Filmed from a copy of the original publication held by the Seminary of Quebec, Library. Ottawa : Canadian Institute for Historical Microreproductions, 1985.

13 p. ; 21 cm.