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152,836 · Foley & Murray · "Improvement in Vault-Lights" · Page 2 Home  > Prism Glass  > Patent Index  > Page 2

152,836: 2 of 3

grooves f h and the chamfered shoulder b, in combination with the studs i i and countersinks a of the holes B in the frame A, substantially as and for the purposes herein set forth.     2. The glass plugs C C, constructed as described, their upper surfaces forming convex lenses, and the lower ends corrugated concentrically, substantially as shown and described, and for the purposes herein set forth.

In testimony that we claim the foregoing we have hereunto set our hands and seals this 11th day of June, 1874. JOHN T. FOLEY. [L.S.] JOHN MURRAY. [L.S.] Witnesses:     STEPHEN WHITEHOUSE,     JOSEPH CARPENTER.