Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 414
its ingredii nts, is now introduced in lets of 50 pounds of ore into a muffle, which is carefully madeof good tire (day, such clay a- the bricks are made of—the Mt. Savage, Maryland, and Johnstown, la., clay i-. for .Mutlles are round pipes; they must be slowly dried, and are then baked in a… … 1 ■J r -r- — T T e, reaching to the fire-bridge, b, their i riding to--. The muffles an l by a day Blab at the mouth, in which there are two openings, one at the bottom for the charge anddischarge of the ere. an 1 on,, at the t >p for inserting an iron pipe which i- to conduct the vapors of…
Mechanical engineering
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