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230,931 · Fryer · "Joint for Cement Illuminating-Tiles for Roofs and Pavements" · Page 2 Home  > Prism Glass  > Patent Index  > Page 2

230,931: 2 of 3

of making a blind and water-tight joint for Portland-cement tiles, which consists in leaving a space within and around the periphery or border of the tiles unfilled, and, after the said tiles are fastened to the frames, filling in said spaces with cement corresponding in kind and in depth to the filling of the tiles, as set forth.

In testimony whereof I have hereunto set my hand in the presence of two subscribing witnesses. WM. J. FRYER, JR. Witnesses:     JOHN ADAMS,     ARTHUR LAWRENCE.