Argand, the inventor of the famous lamp which bears his name, had been experimenting for some time in trying to increase the light given out by his lamp, but all to no purpose. On a table before him one night lay an oil-flask which had accidentally got the bottom broken off, leaving a long-necked, funnel-shaped tube. This Argand took up carelessly from the table and placed almost without thought, as he afterward related, over the flame. A brilliant white light was the magical result. It is needless to add that the hint was not lost by the experimenter, who proceeded to put his discovery into practical use by "inventing" the common glass lamp-chimney. Hundreds of discoveries which have been heralded to the world as the acme of human genius have been the result of merest accident, the auger, calico printing and vulcanization of rubber being among the number.
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