The  great probability of a north west passage
Subtitle: deduced from observations on the letter of Admiral de Fonte, who sailed from the Callao of Lima on the discovery of a communication between the South Sea and the Atlantic Ocean; and to intercept some navigators from Boston in New England, whom he met with, then in search of a north west passage : proving the authenticity of the admiral's letter : with three explanatory maps ...
By: by Thomas Jefferys ... ; with an appendix containing the account of a discovery of part of the coast and inland country of Labrador, made in 1753 : the whole intended for the advancement of trade and commerce.
Series: CIHM/ICMH microfiche series -- no. 20425
Publisher: Printed for Thomas Jeffereys ...
Published: 1984
Place of publication: London
Language: eng
Format: Microform
Number of pages: 102
Subjects: Fuentes, Bartolomé de, -- 17th cent.; Discoveries in geography -- Spanish.; Northwest Passage -- Discovery and exploration.; Labrador (N.L.) -- Discovery and exploration.
Notes: Includes text of letter of Admiral de Fonte as published in April 1708.

Errata and Directions for placing the maps--Colophon.

Filmed from a copy of the original publication held by the Library of the Public Archives of Canada. Ottawa : Canadian Institute for Historical Microreproductions, 1984.