| $26 (cv oc W-Deeription sf ^^ 
CYXVIL A Deferiprion of a-Piump Engine; oran Apparatus 
"Ly Be added to a tome Pump, to anfwer the Purpofe-of a 
_ Fire-Engine ; invented by Mr. BEN JAMIN! ‘DEARBORN : 
"Extratted from bis Letters: to the Hon. James Rowpoin, 
Eji; 5 P ANTS i seit tg by the S p 
} n9 Rontünouth November. ss ait. 
H FU ae. Jodi. € time in Xiventins E pamp-éngihe, à 
model of which I have forwarded herewith. This engine 
is defcribed as follows. 
Plate VI. Fig. 3. ABCD reprefents a pump in the 
form of a common fhip-pump. E its fpout. F a ftopper. 
D d isa plank cap, fitted with leather under it to the pump, 
and fcrewed down by the fcrews 24; having a hole in the 
center for the {pear of the pump to país through, round which _ 
a leather collar is made, a5 c. -gjs a nut forthe {crew 6. fd is 
a {quare. piece of wood, nailed acrofs one end of the cap, the . 
{crew a paffing through it and the cap ; through this piece and 
the cap a hole is made, communicating with the bore of the 
pump. G G is a wooden tube (of any required length or num- 
ber of joints) made fquare at the lower end, and hollowed to 
receive the cock, the upper end being made with a nice fhoul- 
der. -e is a wooden cock, which opens or fhuts the communi- 
cation between the pump and the tube, having a handle on the 
oppofite fide, with a loek if neceflary. 4 P are ferrules to pre- 
vent the tube from fplitting. H H are braces, each of which 
muft have another crofüing it as nearly at right angles as may 
be. 77 are irons in the form of a ftaple, going round the tube 
and through the braces, having holes in their ends for fore- 
žocks. KL MN isa head made of fiye pieces of wood, viz. 
klimy 
