Description of a new universal equatoreal, made by Ramsden, with the method of adjusting it for observation.
Ramsden, J.(Jesse),1735-1800.
[London,
1774]
A slip giving directions for putting the equatoreal into its case is pasted to the verso of page 8.
Drop-head title.
Page 1 dated at head: May 1774.
ESTC