The complete observator. Containing the various methods of finding the latitude when the sun is in the meridian, ... And also a new method of finding the latitude, without knowing the sun's declination, ... By Thomas Harrison and Son
Series: Eighteenth century -- reel 312, no. 23.
Publisher: printed in the year
Published: 1788
Place of publication: York
Language: eng
Format: Microform
Number of pages: 41
Notes: The preface signed: Thomas and James Harrison.

Pp.35 ff. contain tables.

Microfilm. Woodbridge, CT Research Publications, Inc., 1983. 1 reel ; 35mm. (The Eighteenth Century ; reel 312, no. 23).