Trass
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Trass is the local name of a
lime and sand, or with Portland cement, it is extensively employed for hydraulic work, especially in the Netherlands; while the compact varieties have been used as a building material and as a fire-stone in ovens. Trass was formerly worked extensively in the Brohl valley and is now obtained from the valley of the Nette, near Andernach.[1]
See also
References
- ^ One or more of the preceding sentences incorporates text from a publication now in the public domain: Chisholm, Hugh, ed. (1911). "Trass". Encyclopædia Britannica. Vol. 27 (11th ed.). Cambridge University Press. p. 215.
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