C «3 1 
Tongs at one End, to hold a Leaf or fmall 
Infedt •, at the other End is a point to ftick 
any Object on. This Aides backward and 
forward in a fpring Tube », faftened to a 
Joint with a fhort Shank o, that puts into a 
round Hole of the Slit in the Stage at g. 
P. A little block of Ivory, white at one end, 
and black at the other, for Objects to be placed 
on according to their Colour, with a Hole 
through the middle to ftick it on the Point 
of the Wire O. On this Block, Salts, Sands, 
or other fmall opake Bodies are to be laid, or 
ftuck on with Gum, in order to be viewed, 
with the Afliftance of the reflecting Light 
from the Silver Speculum. It is made thus 
fmall, that it may obftrudt as little as poffi- 
ble, the Rays thrown up from the Concave or 
plain Looking-Glafs. 
Q. A round Cell or Box to confine fmall In¬ 
fers between two Glafles, one of which is 
concave, the other plain. This Cell is to be 
placed over the Hole in the Center of the 
Stage, firft having the Hole covered with the 
plain Glafs g, you muft move it about till you 
bring the Objedt exactly under the Magnifier. 
R. A concave Glafs, wherein to place a Drop 
of any Liquid occafionally to be examined. 
S. A GJals Cylindrical Aiallow VefiTel, for hold¬ 
ing a Tea-fpoonful of Water, to view the 
larger Kinds of Objefts, as the Polype, or 
fuch like. 
T. A Hand-Magnifier, very ufeful for preparing 
Objects for the Microfcope, or fof the ex¬ 
amining 
