Numb. 434, 
PHILO S O PH I C A L 
TRANSACTIONS 
For the Months of Septemb . OAob. and Nov. 1734. 
The C ONT E NTS. 
J. De A M B R A G R Y S E A. AuBore 
Cafparo Neumanno. M. D. ChemU Bro->. 
feff. Berolin. & ( 2 ^. 5 : S'. Pars II. 
II. An Account of a new Engine for railing 
Water, in which Horfes or other Animals 
draw without any lofs of Bower ( which has ne- 
ver yet been praclifed) and how the Strokes of 
the Piftons may he made of any Length, to 
prevent the lofs of Water, by the too frequent 
opening of Valves, with many other Advan- 
tages altogether new 5 the Model of which was* 
fhewn to the Royal Society on the 28th of 
November, by Walter^ Churchman, the 
JnVentor of it. 
III. An 
