The longitude demonstrated, by the use of a silent pendulum; that keeps true time at sea. And made plain (by an Index Instrument) to the meanest Capacity. With a new observatory for finding the meridian altitude of sun or stars, and a great Improvement of the Sun-Quadrant; which are more exact than any heretofore known: With fair Copper Cuts of the Machine, and all the other Instruments. And a table of the acceleration of fixed stars, more exact than any heretofore extant; with the Sun's Declination, Right Ascension, and Equation of Time; and other useful Tables fitted to this Work. An Experiment of what Proportion a Pendulum lengthens in the greatest Heat, where Animals can live, or Vegetables grow; and at several other Degrees of Heat, to red-hot. With a Method to make a Pendulum to fit all Climates; with several other uncommon Experiments. By Jonah Crathorne.

Format:

Book

Author/Creator:

Crathorne, Jonah.

Language:

English

Subjects (All):

Climatology--Early works to 1800.

Climatology.

Longitude--Early works to 1800.

Longitude.

Nautical astronomy--Early works to 1800.

Nautical astronomy.

Physical Description:

1 online resource (64p.,plates )

Other Title:

Longitude demonstrated,

Place of Publication:

London : printed for W. Graves, at the Black-Spread-Eagle in Pater-Noster-Row; and sold by J. Graves, at the Bible in St. James's-Street, and J. Holland, at the Bible and Globe in St. Paul's Church-Yard, 1718.

Notes:

Pp.46-64 contain 'Tables of the sun's declination and right ascension, for the years of our Lord, 1717, 1718, 1719, 1720.'.

Reproduction of original from British Library.

Cited in:

English Short Title Catalog, T101226.

OCLC:

642241918