Dr. Gregory's elements of catoptrics and dioptrics
Subtitle: To which is added, I. A methodfor finding the foci of all specula ... II. A solution of those problems which are left undemonstrated. III. A particular account of microscopes and telescopes, from Mr. Huygens.  With an introduction shewing the discoveries made by catoptrics and dioptrics.  By W. Browne.
Contributors: Browne, William, Sir, 1692-1774.; Huygens, Christiaan, 1629-1695.
Publisher: Printed for E. Curl (etc.)
Published: 1715
Place of publication: London
Language: eng
Number of pages: 111
Subjects: Optics -- Early works to 1800.
Other titles: Elements of catoptrics and dioptrics.