[ ] 
XIV. Defcription and Ufa of a new con- 
fruEied Equatorial Eelefcope or portable 
Obfervatory^ made by Mr, Edward Nairne, 
London. 
Read Feb. | ARE Inftrument confifls -of the fol^ 
' JL lowing parts (fee the annexed Plate* 
Tab. IV.) a mahogany triangular Stand AAA, and 
three adjufting fcrews B B B j a. moveable azimuth 
Circle C, which is divided into degrees, and by a vernier 
index to every 6 minutes j above this azimuth Circle 
is the horizontal plate D, to the under part of which 
is faftened the vertical conical axis E ; on the middle 
of the upper furface of the horizontal plate, is placed 
a ground glafs Level F, by which the plate D is fet 
parallel, and the pillar E perpendicular to the ho- 
rizon ; from this plate rife perpendicularly two qua- 
drants G G, one of which is divided for the latitude 
into half degrees, and has a vernier index to 3 mi- 
nutes i the equatorial plate H, with its hour circle* 
is fupported by the two quadrants G G ; its axis of 
motion (which is placed near the hours XIL XII.) 
paffes through the centers of the quadrants, and 
carries the index I, pointing to the divided quadrant ; 
the equatorial plate is divided into half degrees, and 
has a vernier index fliewing every 3 minutes of right 
afcenfion or 1 2 feconds of time j it is figured to Ihew 
P 2 both 
