"Flint glass" Quotes from Famous Books
 ... transparent material in the telescope (a question which involves, theoretically, one of the most delicate points in the Undulatory Theory of Light) has lately been agitated on the Continent with much earnestness. I have calculated the curvatures of the lenses of crown and flint glass (the flint being exterior) for correcting spherical and chromatic aberration in a telescope whose tube is filled with water, and have instructed Mr Simms to proceed with the preparation of an instrument carrying such a telescope. I have not finally decided whether to rely on Zenith-distances ...
— Autobiography of Sir George Biddell Airy • George Biddell Airy
... By a British Glass Master and Mixer. Sixty Recipes. Being Leaves from the Mixing Book of several experts in the Flint Glass Trade, containing up-to-date recipes and valuable information as to Crystal, Demi-crystal and Coloured Glass in its many varieties. It contains the recipes for cheap metal suited to pressing, blowing, etc., as well as the most costly crystal and ruby. Crown 8vo. Price 10s. 6d. net. (Post free, ...
— The Dyeing of Woollen Fabrics • Franklin Beech
... the scientist. Again he peeked through the glowing bull's-eye. Then, his face slightly pale, his bulging eyes blinking nervously, he took two small flint glass bottles, set them under a couple of pipettes, ...
— The Air Trust • George Allan England
... FLINT GLASS MAKING. By a British Glass Master and Mixer. Sixty Recipes. Being Leaves from the Mixing Book of several experts in the Flint Glass Trade, containing up-to-date recipes and valuable information as to Crystal, Demi-crystal and Coloured ...
— The Dyeing of Woollen Fabrics • Franklin Beech
... glass for a telescope, if one has sufficient cash, one buys a glass made of crown and flint glass placed together, which destroys color, which produces what is called an achromatic lens. Now just as we judge of the value of a glass by its ability to bring things as they are within the range of our vision, so, says Browning, old age is much better than youth. In age our old eyes become achromatic. ...
— Robert Browning: How To Know Him • William Lyon Phelps |
