= =e pee: ; and the air rele by 
[Lo ago | 
t= SECTION’ XIV? 
> Experiments fhewing what kind of 
water obfirutis leapt the natural 
operation ‘of lessees aoe By — 
pi eh oot 6 ase S18 
<== i tetzo sha a a BSW LE 
ay AN ‘equal nut 
filled with ftagnating water taken 
~) out of a_pond rather unclean ; the 
fecond jar was filled with rain-water 
collected the day before ; the third 
with river-water; and the fourth 
with water taken frefh from the 
pump. ‘They were all placed, at 
eleven o’ clock, upon a wall in the 
the 
FoF willow 
ledves were putin four different jars,” 
each holding a gallon 3 oné jar was” 
