If H } 
atnining Coins, Medals, or engraving of apy 
kind. 
V. An Ivory double Box with Covers ferewing 
on at each End; in this is contained a num¬ 
ber of Ifinglafs, and Rings of Wire to faften 
them in the Sliders. 
W. A pair of Forceps or Nippers, for taking 
up, or adjufting any Objeft, to be examined. 
X. A foft hair Brufh to clean the Glaffes, or take 
up a drop of any Liquid to lay on the Sliders. 
Having thus deferibed every particular part of 
the Apparatus, it will be necefiary we fhouid give 
fome Direftions for the Method of viewing any 
Objedt ; in which we will be as particular, tho’ 
as concile as poffible. 
Suppofe you would view any Object in an 
Ivory Slider, thru ft the Slider under the circular 
Brafs Plate, on the Top of the Stage at r, one 
End of the Slider is made fharp for that purpofe \ 
having the Objedt placed in the Center, and ex¬ 
actly under the Magnifier, Aide the Stage D up 
or down, till the upper Edge of the fquare 
Collar E is exadt to the Mark on the Pillar cor- 
refponding with the Mark or Number of the 
Magnifier you then ufe ; for inftance, fuppofe 
your Magnifier N° 2, you muft then Aide the 
Collar E, till the upper Edge comes to the Fi¬ 
gure 2 on the Pillar, there you fix it tight by a 
turn of the Button 3, having then directed your 
Light from the Glafs F, fuppofe your Object 
Alould not be quite diftindt, then by a fmall turn 
of the Button 4 one way or the other, you find 
the exact Focus, and fee the Objedt clear and 
perfedt. 
But 
