Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 161
workman, whose utmost care is insufficient to cause every part to receive an equal degreeof heat. It therefore becomes a matter of considerable importance to devise a simple, efficacious, andeconomical method of drying grain under these circumstances ; and we think Mr. Joness apparatus forthis… … each being closed at the upper and lower end by two concentric cones, C D. The annular space be-tween the cylinders, as also between the cones, is an inch and a quarter in width, for the reception ofthe grain, to be dried by its passing through the machine : both the internal and external bodies…
Mechanical engineering
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