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 : A copy of an authentic Spanish map of America, published in 1608 : The discoveries made in Hudson's Bay, by Capt. Smith, in 1746 and 1747 : A general map of the discoveries of Admiral de Fonte
By: By Thomas Jefferys, geographer to the King. 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
Publisher: Printed for Thomas Jefferys, at Charing Cross
Published: 1768
Place of publication: London
Language: eng
Number of pages: 153