A vital treatise for succeeding generations, the Opticorum is of importance to the history of science for its clear explication of orthographic, stereographic, and scenographic projections intended for an audience of cosmographers, astronomers, navigators, military leaders, engravers, and painters.
The rise of the exact sciences occurred in the context of the growth and consolidation of states in the sixteenth and seventeenth centuries.
A major feature of eighteenth-century science was the attempt to systematize the various results of research and to make that system philosophically attractive.
Categories: 1722 January 21 is the 21st day of the year in the Gregorian Calendar.
Charles Paulet, 2nd Duke of Bolton (1661-January 21, 1722), was a member of parliament for Hampshire and a supporter of William III of Orange.
Charles Leslie (July, 1650 - April 13, 1722), Anglican nonjuring divine, son of John Leslie (1571_1671), bishop of Raphoe and afterwards of Clogher, was born in July 1650 in Dublin, and was educated at Enniskillen school and Trinity College, Dublin.
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