220 WISCONSIN STATE AGRICULTURAL SOCIETY. 
/ i 
Fig. 13 .—The Oneida, ox Factory y^at. The next engraving (Fig. 
14) represents the tin or 
inner vat raised, and the 
sides of the outer vat 
broken out to show the 
heater and the supports 
of the inner vat. 
The outer vat is lined 
with galvanized sheet-iron; 
B is the inner tin vat; 0 
the copper vat heater, ex¬ 
tending the entire length 
of the vat, and surrounded 
by water in a semi-cylin¬ 
drical jacket open at the 
top, which water also fills 
the space between the vats. 
-D is the tank or reservoir 
for hot water, separate 
from that between the 
vats, and E the cop¬ 
per heater for tank or 
reservoir. F smoke-pipe 
for both vat and tank 
heaters. The numbers in¬ 
dicate the following parts: 
1, faucet connecting water- 
space between the vats 
with tank. 2, water-gate 
in outside vat. 8, water- 
gate in tank. 4, tube 
through which the whey 
is drawn from the strainer 
inside the inner vat. The 
strainer and whey faucet 
are not shown in the en¬ 
graving. 
