Canada Great Lakes to Nova Scotia c.1920 Magnetic Declination large Interior mapBrian DiMambro- Antiquarian Books, Maps & Prints
Department of the Interior.
Magnetic Declination Reduced to Epoch 1921-0.
(Scientific- orienteering- Canada / Quebec / Ontario / New Brunswick / Newfoundland).
Issued 1921. C.A. French, Magnetician. Otto Klotz, LL.D.,D.SC.
Uncommon large folding early 20th century color lithographed map. Overprinted in red.
Well preserved, clean, nice looking example with pleasing age patina. Original fold lines as issued.
Sheet Measures c. 21 1/4"H x 39 3/4"W.
Engraved Area Measures c. 21 1/4"H x 38 1/2"W.