Glass sheet

A modem use of uranine is in the manufacture of fluorescent laminates, eg, sheets, glass, and plastic films, that are transparent to electromagnetic waves and visible light rays (45). Such material might be used in windows, viewing partitions, and optical lenses. 

The TiOi paste is deposited onto a sheet glass (Nippon Sheet Glass, Hyogo, Japan) which has been coated with a fluorine-doped stannic oxide layer with sheet resistance of 8-10 fl/cm ) using a screen-printing technique. The resulting... 

Potassa and Soda.—The alkalies used in the manufacture of common colored glass, such as thoso used for grecn bottles, are obtained, as far as the potassa is concerned, from common ashes, and tho soda from tho ashes qf eea-plants, or refuse soda. Better kinds of glass are made with crude potassa and soda-ash, and the best from purified potassa and soda-ash.. Not more than thirty years have elapsed since crown and sheet glass were manufactured from the crude alkali obtained from kelp, the preparation of which for. this purpose. employed a large population on the Northern shores of Scotland and West of Ireland, and the abandonment of this material, when the duty was taken off barilla,... 

After this testimony, tho following account of the procsss for making British sheet-glass, as given by Mr. Henry Chance, one of the partners of the eminent firm above-named, will be received by the reader as of very high authority —... 

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