Barber, John Warner, 1798-1885. [from old catalog] · New Haven, Conn., Pub. for the author by J. H. Bradley · leaf 385
a comparatively weakman is placed upon an equal footing. Roger Bacon,a learned English friar, or monk, who died at Ox-ford, 1292, understood the secret of the composi-tion of gunpowder, and it is said that he was theinventor. Its application to warlike purposes issaid to have been first suggested… … FIFTEENTH CENTURY. The two great events in this century were the discovery ofthe art of printing and the discovery of America by Columbus.John Hess and Jerome of Prague were burnt for heresy, about1415. In 1453, Constantinople was taken by the Turks;Constantine, the last emperor of the East, was…
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