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A Contrivance for this Purpofe is what I now 
humbly take the Liberty to lay before you 5 alluring 
m y fie 1 f, that whatever can prove really u'feful, will 
not be the lefs regarded by this Iliuftrious Society 
for being plain and eafy. 
The firft Step is, to take a perfect and (harp Im- 
preflion, in black Sealing-wax, of the Coin or Medal 
you defire the Pi&ure or Figure of: When this is 
done, the chief Trouble is over, and the reft of the 
Operation may be executed at Leifure. 
Cur the Wax away round the Edges of the Imprcf- 
fion, with the Point of a Penknife, or a Pair of 
fharp Sciflars j and, having ready a Preparation in 
Gum-water of the Colour you would have the Pi- 
dure, fpread your Paint upon the wax Impreffion 
with a fmall Hair-pencil, obferving to work it into 
all the finking and hollow Places, thofe being the 
riling or projecting Parts of the Medal, and what 
only are neceftary to be laid over with the Colour- 
ing ; for it mult be intirely taken away from every 
other Part before we can proceed. 
The Way of getting off the Paint from the Places 
where it fhould not be, is, to moiften your Fore- 
finger a little, but not too much, with Spittle or 
Water, and pafs it gently, but nimbly, over the Sur- 
face of the wax Impreflion ; wiping it each time 
upon a Cloth or Handkerchief, till you perceive all 
the rifing Parts of it perfectly fair and clean, and the 
Letters and finking Parts of it only coloured. 
This done, take a Piece of very thin Poll-Paper, 
a little larger than the Medal ; wet it in your Mouth, 
or with Water, till it be moiftened quite through, 
but let not any W ater hang upon it : Place it on 
3 the 
