[ I3I ] 
but that now he finds himfelf in pofTeffion of the 
following complete apparatus. 
1. Two mural quadrants, each of nine feet ra- 
dius, placed north and fouth in the meridian (the 
Vienna to the London foot, as loooo to 9646). 
2. A fix feet quadrant, fupported by a vertical 
axis, and convertible to any azimuth. 
3. A, ten feet fed:or, confiruded in P. Bofchowick’s 
manner. 
4. A four feet quadrant, placed on the azimuth 
circle which Tycho Brahe ufed at Prague. 
5. A moveable quadrant of 2 4 feet radius, which 
he ufed in the menfuration of three degrees on their 
meridian, by order of the Emprefs Qj^en, by means 
of a feries of triangles, the refult whereof he is calcu- 
lating at this time. 
6. A tranfit inflrument of 6 4 feet. 
Together with feveral fixed telefcopes, a gnomon 
14 feet high, micrometers, &c. of all which he in- 
tends to publifh a particular defcription, with his 
obfervations taken at Vienna reduced and compared 
with aflronomical tables. He makes the latitude of 
his obfervatory, at the Jefuit’s College, 48° 12'' 35''. 
Dear Sir, 
Your affedionate, 
and mofb obedient fervanri 
Clerkenvvell-CIofe, 
April 4, 1764. 
S 2 
J. Be vis, 
1764. 
