t 8 J 
THE 
DESCRIPTION, &c. 
A. 13 Eprefents the Box, in, which is contain- 
cd all the Apparatus, when packed up 
for Carriage, and is the Bafe or Stand, to fup- 
port the Inftrument when ufed for Obfervati- 
ons. On the Top of this Box is fattened a 
Brafs Plate or Dovetail, which the Bafe of the 
Brafs Pillar B Aides on, and is thereby firmly 
fixed. 
Note, In order to preferve the Edges of the 
Dove-tail from being bruifed, there is a 
Brafs Plate Hides over it, which mutt be 
taken off before the Pillar can be put on. 
C. The Body of the Microfcope, which fixes in 
a circular Collar, at the Top of the Pillar at 
a a, and is taken in and out at pleafure : Care 
mutt be taken, when ufed, to fix it in tight. 
D. Is an Horizontal Plate, or Stage, on which 
any of the Parts for holding Obje&s for Ob- 
fervation are placed : This Stage, for the con- 
veniency of packing, is taken off, and on, 
with eafe at b y and being much eafier in its 
motion for adjufting, than the large Body, it 
is therefore fixt to a fquare Brafs Collar E, 
moving up and down the Pillar. The Body C 
being firmly fixt without any motion. On the 
Top of the Stage is a thin round Plate, under 
which the Ivory Sliders mutt be placed, it be- 
