DESCRIPTION

A Description of the Draught of The Engine,

A.- The Furnaces
B.- The two Fire places
C.- The Funnel or Chimney.
D.- The Small Boyler.
E.- The Pipe and Cock of it.
F.- The Screw that covers and confines its force.
G.- A small Cock a Pipe going within eight inches of its bottom.
H.- A larger Pipe going the same depth.
I.- A Clack on the top of the said pipe.
K.- A Pipe going from the Box of the Clack or Valve, into the Clack or Valve, into the great Boyler, about an inch into it.
L.- The great Boyler.
M.- The Skrew with the Regulator
N.- A Small Cock and Pipe going half way down the great Boyler.
O.- Steam-Pipes, one end of each.
P.- Screw to the Regulator, and the other ends to the Receivers.
Q.- The Vessels called Receivers.
R.- The screws which bring on the Pipes and Clacks in the front of the engine.
S.- Valves of Clack of Brass, with screws to open and come at them up on occassion.
T.- The Force-Pipe.
U.- The Sucking-Pipe.
W.- A Square Frame of Wood, with holes round its bottom in the water.
X.- A Cistern with a Buy-Cock coming from the Force-Pipe.
Y.- A Cock and Pipe coming from the bottom of the faid Cistern.
Z.- The Handle of the Regulator.