Of making CiJcr. 
Let there be two ports fixed in the 
Ground, as a a , about three foot apart. Let 
there betwo Tranfomes well Tenanted*in- 
to them, asat bb, which may be about two 
Footer more apart 5 Through the middle 
or which may be made two Mortoifcs to 
let down the tooth'd Iron Bar, or Rod, c c. 
The Baik or (mooth fide whereof muff 
bear againfl Brafs, or againrt two Trun¬ 
dles or Rolls of Iron or Brafs, to make it 
fhde up and down eafily; between the 
Tranfomes, let there be an Axis of Iron, 
of about an Inch and half Diameter", or 
more, having two round places filed a- 
gainft the two ports ^ Let there be a Nut or 
toothed Wheel in the middle of it,ofabout 
four Inches Diameter, and an Inch in Thick- 
nefs, or near thereupon: there may be 
twelve Teeth on it, or about that num¬ 
ber,- according to which fize and dirtance, 
et the Teeth in the upright Bar or Rod 
be cut, fo that the advantage in dirtance 
may be on the Nut, becaufe that is the 
Mover, and the upright Bar the Moved, 
t hen let the Axis, with its Nut onir, be Co 
p acedintothe two upright ports with Sta¬ 
ples aud Brafles at each end, that it may 
m r °^ e f a fit dirtance, that by the Teeth 
or the Nut, the upright Bar may be eleva* 
K 3 ted 
117 
