43 8 Dir eB ions for taking off 
Screws that run through them, with a turn¬ 
ing female Screw on each to force the Planks 
together. And thefe female Screws mu ft 
have ftrong well-tempered Shoulders, where¬ 
by to work them. A Figure of this Prefs is 
fhewn Plate ~X.Yll.fg. q. 
Things being thus adjufted, holding 
the Prefs in your Left-Hand, ftrike wi h a 
little Hammer, firft on the Shoulders of one 
Screw, and then on the Shoulders of the 
other, to bring the Planks together parallel* 
and render the Preffure every-where alike ; 
unlefs you find it requifite to give more 
Force to one Side than the other, which 
thefe two Screws will put in your own 
Power. 
The Prefs opens again, by a Stroke or two 
of the Hammer, the contrary Way, on the 
Shoulders of the Screws: and then you will 
find a true and fair Pidfure neatly printed 
off i which (if any Deficiencies appear there¬ 
in) may be eafily repaired, when dry, with 
a Pen and Ink, or, what is better, a Pencil 
and Indian Ink. , 
This Method is very eafy and ready for 
taking the Pidture of a Medal either in Black 
or Red ; proper Ink of both which Colours 
may be had of the Copper-Plate Printers : 
but your Wax Jmpreilion muft be different 
in Colour to that of the Ink you ufe, other- 
wife you cannot fee when the Ink is well 
cleared away $ and as the whole Succefs de- 
