Tag: Washington Irving

Alvan Clark patented the telescope on this day in 1851. Did you know that: • German mathematician, Gottfried Wilhelm Leibniz, demonstrated integral calculus for the first time, to find the area under the graph of y = f(x) function, on this day in 1675• Washington Irving’s Salmagundi periodical was published on this day in 1807 […]

Christopher Latham Sholes patented the Sholes and Glidden typewriter on this day in 1868, the first commercially successful of its kind. Did you know that: • Antoine Joseph Sax, the Belgian inventor of the saxophone was born on this day in 1848• First editions of “The Sketch Book of Geoffrey Crayon, Gent.” by Washington Irving […]