Ornament Details
011160020000060_0
(keywords not yet provided)
The mercurial chronometer improv'd: or, a supplement to a book entituled, An essay, wherein a method is humbly propos'd for measuring equal time with the utmost exactness; without the Necessity of being confin'd to Clocks, Watches, or any other Horological Movements; in order to discover the Longitude at Sea. In which all Objections that are in the least rational are remov'd, and the Method confirm'd. By the author of that essay.
printed for J. Morphew in Stationers-Court, near Stationers-Hall
6
62
1284