Upper-Story View of a Jubilee Plant, Showing Roaster, Cooler, and Stoner Equipment
The parts under roasting-room floor are shown in the illustration below
Lower-Story View of the Same Plant from About the Same Angle
Showing connection from floor hopper to stoner on the left, and suspended bucket-elevator boot with four-bag dump hopper on the right
COMPLETE GAS COFFEE-PLANT INSTALLATION
The Bureau of Chemistry held a hearing in 1914 at Washington, at which the question of a ruling on watering coffees was discussed. The trade was well represented, but no agreement was reached. It was deemed inadvisable to make a definite rule on the watering of coffee; because the water content can not be controlled, as the bean starts to absorb moisture as soon as it leaves the roaster.
On Roasting Coffee Efficiently
A.L. Burns, New York, is well qualified to speak on this subject. He says:
Burns Jubilee Gas Roaster