EXTRACTION TEST. 359 
when the sugar which has crystallized out is centrifuged. In 
all cases the sugar is collected from under the machines, mixed, 
and sacked ready for the market. 
The sizes and capacities of the different parts are as follows: 
Mill rollers, 20X30 inches (51X75 em.). 
Boilers, 80 horsepower each. 
Engine for mill 11x24 inches (27.560 cm.). 
Engine for centrifuges 7x10 inches (17.525 
cm.). 
Cubic Hecto- 
feet. liters. 
Liming tanks (2) each 24 6.8 
Subsiders (5) each 33 - 9.38 
Eliminators (2) each 42 12 
Evaporator supply (1) 46 13 
Pan storage, thick juice (3) 64 18 
Molasses blowup (2) 108 31 
Evaporators (8), approxi- 
mately, 50 14 
Second sugar tanks (6) 81 23 
Discard molasses (1) 6,000 1,700 
Pan (1), 4 tons (8,637 kilograms). 
Mixer (1), 4 tons (3,637 kilograms). 
Centrifugal machines 24” (60 cm.). 
Filter presses (2), 24 frames, 2424 inches 
(61X61 cm.). 
METHOD OF HARVESTING THE CANE. 
The cane fields were situated about 4 kilometers from the 
mill. A small 3-ton locomotive was used to haul the cane in 
1-ton cars from the fields to the mill. A 0.61-meter (24-inch) 
track with rails weighing 9 kilograms per meter (20 pounds 
per yard) was used on this tram line. Six cars were in the 
field being loaded with cane, 6 en route to the factory, and 6 
at the mill being unloaded, with 2 extra cars for auxiliaries. 
More cars would have facilitated transportation and increased 
the output of sugar. Movable track was laid in the fields as 
close to the cane as convenient. When the distance became too 
great for economical handling by hand, 6 bull carts were em- 
ployed to continue the loading. Approximately 50 men were 
used in the field for stripping, cutting, and loading. By this 
system about 5 tons of cane per hour could be delivered at the 
factory. 
CONDITIONS AND RESULTS OBTAINED FROM THE MILL TEST. 
Our tests covered a run of four days when the conditions of 
manufacture and the results obtained were as follows: 
