David Alter: differenze tra le versioni

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David Alter studiò medicina alla ''Reformed Medical College'' di New York City e alla ''Cincinnati Medical School'' (1841-1842).

Fabbricò [[bromina]], creò una [[stazione meteorologica]], lavorò como fisico e fece i primi [[dagherrotipo|dagerrotipidagherrotipi]] di Freeport.

{{citazione|In the great [[Pittsburgh (Pennsylvania)|Pittsburgh]] Fire of 1845, he found a shard of melted glass that gave him the idea of the light spectrum. He went on to discover Spectral Analysis in 1853. He also invented and patented a method of manufacturing Bromine from salt wells in 1845, that was highly useful in the iron industry and was put on display in the World's fair}}<ref name="Rowley" />