Sweet’s indexed catalogue of building construction for the year 1906 (1906)
New York : Chicago : Architectural Record · leaf 814
THE No. O CYCLO PAINTINGMACHINE MURALONYX PEDESTALNo. 60 We control several mines which produce a finely marked and beautifully coloredstone, which we have named MURALONYX, having all the delicate veining and colorblending that onyx has, takes a high polish, and may be made into ornamental…
Building materials
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