Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 221
is given the rose by a coating of luminous paint, the basis of which is sulphide of calcium. This rose, if exposed to a strong light during the day, will be luminous throughout the night. The exact nature of the change which takes place in the phosphorescent substance while exposed to the light is… … HEAT. 199 some modifying action of the ligiit, rather than chemicalaction. It has been ascertained that the phosphorescencetakes place in vacuo as well as in air. Luminous paint hasmany practical applications. It is used on buoys, guide-posts, gates, etc., to render them visible at night. It…
Physics · Lantern projection · Electric apparatus and appliances
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![An illustration from VIrtVosIVs pantheon, Deo & sanCtIs ereCtVM, id est, Sermones panegyrici de praecipuis sacrorum ordinum fundatoribus, patriarchis, aliisque terrarum patronis, ad normam & formam Psalmo-graphi, Psal. 148.v.I : LaVDate IpsVM In eXCeLsIs : insertis nonnullis festis de B.M.V. de circumcisione Domini &c. & duodecim signis praedestinationis, quorum singula singulis mensibus praefiguntur cum symbolis chrono-graphicis, & figuris = Das ist, Lob-Predigen von denen fürnehmsten heil. Ordens-Stifftern, Patriarchen, und andern heiligen Lands-Patronen : dann auch auff etwelchen Mariae-Festtägen, und von denen 12. Zeichen der göttlichen Gnaden-Wahl, deren jedes jedem Monat vorgesetzt wird : pars [I-III] (1723)](https://img.insideoutlibrary.com/img/200/ia-virtvosivspanthe00brez-672-150.webp)
