San Francisco : Architect and Engineer, Inc · leaf 130
ude is conducting further experimentsin the expectation of producing othercolors, white included, and there is a strongpossibility that neon in some form, as manu-factured under the Claude process, willenter the field of general illumination. Patents inFrance wereissuedto Mr. Claude justprior to… … commercial basis. Patents were issued inEngland to Mr. Claude and also in theUnited States at various times from Janu-ary, 1915, to June, 1917. In all, five patentshave been issued covering the various pro-cesses in the creation of the vacuum of thetubes, the purification of neon, the type, sizeand…
Architecture · Building
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