Astronomy explained upon Sir Isaac Newton's principles, and made easy to those who have not studied mathematics /

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• Astronomy explained upon Sir Isaac Newton's Principles : and made easy to those who have not studied mathematics /
  by: Ferguson, James, 1710-1776
  Published: (1756)
• Astronomy explained upon Sir Isaac Newton's principles, and made easy to those who have not studied mathematics : to which are added, a plain method of finding the distances of all the planets from the sun, by the transit of Venus over the sun's disc, in the year 1761 : an account of Mr. Horrox's observation of the transit of Venus in the year 1639 : and, of the distances of all the planets from the sun, as deduced from observations of the transit in the year 1761 /
  by: Ferguson, James, 1710-1776
  Published: (1778)
• Astronomy explained upon Sir Isaac Newton's Principles, and made easy to those who have not studies mathematics. To which are added, a plain method of finding the distances of all the planets from the sum, by the transit of Venus over the sun's disc, in the year 1761. An account of Mr. Horrox's observation of the transit of Venus in the year 1639; and, of the distances of all the planets from the sun, as deduced from observations of the transit in the year 1761.
  by: Ferguson, James, 1710-1776
  Published: (1764)
• Astronomy explained upon Sir Isaac Newton's principles, and made easy to those who have not studied mathematics : to which are added, A plain method of finding the distances of all the planets from the sun by the transit of Venus over the sun's disc in the year 1761, [with] an account of Mr. Horrox's observation of the transit of Venus in the year 1639, and of the distances of all the planets from the sun as deduced from observations of the transit in the year 1761 /
  by: Ferguson, James, 1710-1776
  Published: (1806)
• Astronomy explained upon Sir Isaac Newton's Principles, and made easy to those who have not studied mathematics. To which are added, a plain method of finding the distances of all the planets from the sun, by the transit of Venus over the sun's disc, in the year 1761. An account of Mr. Horrox's observation of the transit of Venus in the year 1639: and, of the distances of all the planets from the sun, as deduced from observations of the transit in the year 1761.
  by: Ferguson, James, 1710-1776
  Published: (1773)