The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 472
With regard to the colour, an object so desirable, Mr. Browri in-forms us that from experiments which he has recently made, that gastar is an excellent colouring for tiles, at a trifling cost. The variouslight and dark gray colours may be obtained by making the tar moreor less diluted. Besides…
Architecture · Civil engineering · Science
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