tight ; and adding two tubes opening with- 
in the cylinder, one at the top, and the 
other at the bottom ; and each tube connec- 
ted with a longer one placed perpendicu- 
larly or nearly fo, and rifing to as‘great a 
height as a fall of water can be procured. 
The upright tube being thea filled from the 
top by a ftream of water, it is cut off, bya 
cock or valve, from that going to the up- 
per part of the pifton, whence the water 
enters below the pifton by the inferior 
orifice, and forces it up: the lower cock 
is then Mut, the upper one opened, and 
‘the preffure of the column of water ad- 
mitted above the pifton, which forces it 
down again, and thus an alternate motion 
is procured. ‘The water contained in the 
cylinder, when it has performed its office, 
paffes off through orifices above and be- 
low, being forced out by each fucceeding 
motion of the pifton. If the height of 
water in the perpendicular tube be ten feet, 
the preffure on the pifton of a three feet 
diameter cylinder will be equal to a power 
of 5468)b. if 20 feet hich, the power 
will be 10737lb. and fo in dire&t propor- 
tion to the height. 
The more complex application of this 
power defcribed by the inventor, confifts 
{with regard to its general principle) in 
applying the hydroitatic prefiure to the 
bottom only of the pifton of another cy- 
iinder, by means of a pipe with a funnel 
or refervour attached to its higheft parts, 
whilffa great weight laid on the top of 
the pitton, ferves as a counter-balancing 
preflure, but not quite equal to that ot 
the column of water. When this laft is 
2dmitted to the bottom of the cylinder, 
it raifes the pifton with its fuperincum-_ 
bent weight; but when this motion is 
performed, the cup-refervoir on the top o? 
the tube now emptied, together with the 
upper part of the tube which is full, are 
deprefled by a wheel that is moved bya 
power from the firft mentioned cylinder ; 
andthe aétual height of the incumbent 
water .in the tuoe being leffened, thie 
weight on the pifton becomes now the 
heavieft, and again unites it to the bot- 
tom. ‘Thus an alternate motion is pro- 
duced 3 and by_means of two cylinders in 
alliance with each other, the one may, 
’ ee 
a 5 Le mee - 
\ 
State af Public Affairs in March, 1800. 
[April 1, 
befides an aétual gain of power for me- 
chanical purpofes, pump up the wafte 
water from the other, and return it to a 
proper height to perform again its office 
as an hydroftatical power. 
EE 
DIXIE’S AND MAPLESTONE’S FOR 
_ RAISING WATER. 
_A Parent was granted to Messrs. 
Dixiz and MapLesTone, of Wood- 
ftreet, Cheapfide, for a method of raifing 
water from wells and other deep places. 
This machine confifts of an endlefs 
tubical chain, defceriding to the bottom of 
the well and- revolving round a_ vertical 
wheel, placed over the aperture at tops 
Every link of the chain is a bucket, made 
of pewter, copper, or iron, which al- 
cends full, and, in tursing over the 
wheel, empties its contents intoa trough, 
which conveys away the water from the 
mouth of the well. ; 
Several machines of a conftruétion fome- 
what fimilar tothe prefent, have been ufed 
for various purpofes. In Spain and Por- 
tugal one on this principle, but of much 
ruder workmanfhip, is, in common ufe 
for drawing water. The machine ufed 
in fome of the ports in this kingdom for 
cleanfing rivers of their mud is founded 
on the fame principle, being compofed of 
a feries of wooden troughs revolving 
round an axis which afcend full, and in 
defcending empty themfelves into the 
hold of a lighter fiationed clofe by. One 
of the molt {imple and ingenious machines 
on this conftruction is one ufed by the 
Chinefe, a plate of which is given in Sir 
G. Staunton’s Account of Lerd Macart- 
ney’s Embafly, for raifing water to a 
confiderable height, where thereis already 
a flight fall, which is conitruéted entirely 
of bamboo veffels in the form of a piftol 
barrel fixed to the circumference of a large 
wheel of she fame material and revolving 
along with it. 
The invention of the patentee applies 
this principle in an ingenious manner andy 
by means of the tubical chain revolving 
round a final] axis, unites the advantages 
of very imple apparatus with the power 
of application to any depth, 

STATE OF PUBLIC AFEAIRS, 
In March, 1800. 
FRANCE. 
PWSHE government of Bonaparte af- 
| fumes every day not only the vigour 
ot a well compaéted monarchy, but fome- 
thing of that {plendour fo congenial to the 
habits and difpofitions of the French. He 
has his regular /evees, his magnificent 
proceffions, and his triumphant a 
@ 
