The Microfcope explained. xxl 
T, a plain circular glafs to be placed over the center of 
the flage at n, to lay any objedls on that may at any 
time offer, and a loofe concave glafs of the fame fize, 
being laid with its hollow fide downwards, will eafily 
confine any living infedl. 
O, a long fleel wire with its pliers and point to hold 
or flick objedls on, flips backwards and forwards in a 
fhort brafs tube o, which by the button p, fits into the 
hole of the flage, and then it may be conveniently ma¬ 
naged under the magnifier. 
W, a little round ivory box to hold a fupply of mufi- 
covy talcs for the Aiders. 
Z, a fmall hair brufh to wipe any duff off the glaffes, 
or to apply a drop of any liquid. 
X, a pair of nippers to take up any objedl to be ex¬ 
amined. 
V, a fmall ivory cylinder with a hole pafling through 
it, one end is black, the other white ; it is to be ftuck 
upon the point y, of the wire O y : its ufe is to examine 
opake objects, by placing thofe of a dark colour on the 
white furface, and thofe of a light colour on the 
black furface. This piece with the pliers being applied 
to one of the holes in the corners of the flage, and the 
cylinder L, with the filver concave h, upon the fnout 
E C, will fhew an opake objedl to advantage. 
Y, a convex glafs to be held in the hand, for looking 
at calual objedls, in order to determine whether they 
are proper for a microfcopic obfervation. 
M, a fifh pan, whereon to fallen a fmall fifh, to fee 
the circulation of the blood ; its tail being fpread acrofs 
the oblong hole at the fmallefl end, and tied fafl by 
means of the ribband fixed thereto, then by fhoving the 
knob t through the flit m made in the flage, the lifl\’s 
tail may be brought under the magnifier. 
U is a plain glafs to lay any cafual objedl upon, or if 
' At ^ a living objedl, cover it with the glafs T. 
c 3 Culpepper* 
