Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 761
The great objection to the ear-shaped retort is, that the bottom bends are liable to become filled upwith hard carbon, and when that is the case they are sure to crack. The principle on which they areconstructed is good ; and if they could be charged properly, viz. with a stratum of coal from 3 to…
Mechanical engineering
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