Diary of a magnetic survey of a portion of the dominion of Canada chiefly in the North-Western territories: Executed in the years 1842-1844 | Ieris Deutschland
Diary of a magnetic survey of a portion of the dominion of Canada chiefly in the North-Western territories: Executed in the years 1842-1844
Ein handschriftliches Logbuch aus den Jahren 1842‑1844, das die erste magnetische Vermessung der kanadischen Nordwestterritorien schildert; es enthà ...