Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 757
hichthey are formed is a non-conductor of heat, consequently the absorption of caloric is less rapid; andalthough they retain their heat when a fresh charge is introduced better than iron retorts, yet notsufficiently to bring down the quantity of fuel as low as that required for metal.… … We have had clay retorts in operation for the last three years, and from the great difference inprice, compared with that of iron retorts of the same size, and from the immense superiority over metalin working them, we have entirely given up the use of the latter. I tried the clay retorts in the…
Mechanical engineering · Mechanics · Engineering
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