An essay, wherein a method is humbly propos'd for measuring equal time with the utmost exactness
Subtitle: without the necessity of being confin'd to clocks, watches, or any other horological movements; in order to discover the longtitude at sea.
Series: Eighteenth century -- reel 6260, no. 02.
Publisher: printed for J. Morphew
Published: 1714
Place of publication: London
Language: eng
Format: Microform
Number of pages: 32
Notes: The dedication signed: James Clarke.

Microfilm. Woodbridge, CT Research Publications, Inc., 1986. 1 reel ; 35mm. (The Eighteenth Century ; reel 6260, no. 02).