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Thd Trans M D CCCXXXKTlateXiX. p 
a b Barometer tube 
c d Interior thermometer 
c f Sparc tube 
g Colbzr 
h i Steam boiler 
k l Cover of the same 
m n Interior Q Under 
o Small hole in the same 
p Cock tor dron ing otf water 
r Stuffing boa 
s Steam Cock 
t u Tire place 
v w Brick Screen 
jc Connecting screiv 
2 2 Brass rod of scale 
2 3 Scale 
4 Vernier 
5 Union of rack 
t> 7 Brass screen with interior thermometer 
A B Bcdestal of Column 
C D Capital of the same 
■/' , k 
