INGERSOLL ROBERT GREEN

(1822-1899), and American lecturer; 6. in Dresden, N. Y. At the age of twelve he accompanied his family to Illinois, where he studied law and becan to practice, in Peoria. He became interested in politics and joined the Democratic Party, but after the Civil War, during bie gaat = the eve ee as a colonel of volunteers, he became a | Republican, because of his anti-slavery | sentiments. In 1868 he was Attorney general of Illinois, and in 1876 he made speech at the Republican National gave him a national reputation. er this period he began to make extensive lecture tours throughout the country, eople flocking in multitudes to listen to his Dreltnent of religion and its institutions. His logic was based largely on | the writings of Thomas Paine, but it was his oratory rather than his proce es of reasoning which carried conviction to | his hoarors. He was a master of irony and invective and probably had more influence than any other man in this country in diminishing the congregations of the churches. He wrote The Gods and Other Lectures, 1786; Some Mistakes of Moses, 1879; aud Prose Poems and Selections, 1884. and metallic salt. They are corrosive. The color develops by oxidation. <Aniline inks are non-corrosive, and have no sediment, but are fugitive. Marking ink, {ndeltble ink for marking linen, etc., is a solution of silver nitrate or other salts. Secret or invisible inks Cayeney ts inks) are chlorides of nickel, cobalt, etc., which become visible only on the application of heat or a chemical agent.