A very easy and short method of finding the true distance between the moon and sun, or a fixed star, for the purpose of determining the longditude
Subtitle: By J. Greensword, ...
Series: Eighteenth century -- reel 1534, no. 05.
Publisher: printed for the author, and sold at Mr. Steel's; Messrs. Gilbert, Wright, and Hooke's, Mathematical instrument makers, London; J. Delahoy's, (Kent Printing-Office,) Deptford; and at the author's
Published: 1797
Place of publication: London
Language: eng
Format: Microform
Notes: The watermark is dated 1797.

Microfilm. Woodbridge, CT Research Publications, Inc., 1986. 1 reel ; 35mm. (The Eighteenth Century ; reel 1534, no. 05).