An improved solution of a problem in physical astronomy
Subtitle: by which, swiftly converging series are obtained, which are useful in computing the perturbations of the motions of the earth, ... To which is added an appendix, ... By the Rev. John Hellins, ... From the Philosophical Transactions.
Series: Eighteenth century -- reel 305, no. 22.
Publisher: Printed by W. Bulmer and Co. Russel-court, Cleveland-row, St. James's
Published: 1800
Place of publication: [London]
Language: eng
Format: Microform
Number of pages: 56
Notes: The paper "Read before the Royal Society, June 28, 1798".

'A second appendix to the Improved solution' has a separate dated titlepage and register, but the pagination is continuous.

The imprint is from the second titlepage.

Microfilm. Woodbridge, CT Research Publications, Inc., 1983. 1 reel ; 35mm. (The Eighteenth Century ; reel 305, no. 22).