Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 191
The most common and useful are bricks. They are generally made of clay, with anadmixture of sand, well incorporated together, and mixed with water to the consistenceof a smooth, strong, viscous mud, pressed into moulds, dried, and burned, the best qualitybeing those in the interior of the kiln. The…
Mechanical drawing
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