Annealing
Illustrated Marine Encyclopedia · 1890 · p. 3
The re-heating and gradual cooling of metals etc, to toughen them.
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Adair's new Encyclopedia (1923)
The New Gresham Encyclopedia (1922)
Hawkins' Electrical Dictionary (1915)
Everybody's Encyclopedia (1912)
An Illustrated Dictionary of Medicine, Biology and Allied Sciences (1907)
An Illustrated Dictionary of Words Used In Art and Archealogy. (1883)
Zell's Condensed Dictionary
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