Description of the universal equatoreal
Subtitle: and of the new refraction apparatus, much improved by Mr. Ramsden, with the method of adjusting the instrument for observation. As also instructions for making observations with it.
Series: Eighteenth century -- reel 1534, no. 12.
Publisher: January
Published: 1791
Place of publication: London
Language: eng
Format: Microform
Number of pages: 28
Notes: Microfilm. Woodbridge, CT Research Publications, Inc., 1986. 1 reel ; 35mm. (The Eighteenth Century ; reel 1534, no. 12).