XG 370
 
Ferguson, James, 1710-1776. Astronomy explained .. 1806. (Card 3)
iv, 235 C31, 508, C15i pe fold. front., xvi fold.pl., double map. 22.5cem. (8vo)
Folded map engraved by W. Kneass from design by author.
Shoemaker 10405.
Another copy. 27cm. Incomplete: plates only, without text.