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| | Wilhelm von Siemens |
 | | Siemens had been trained as a mechanical engineer, and his most important work at this early stage was non-electrical; the greatest achievement of his life, the regenerative furnace, was non-electrical. |
 | | On July 23, 1859, Siemens was married at St. James's, Paddington, to Anne, the youngest daughter of Mr. |
 | | Of his siblings, Ernst Werner Siemens, the fourth child, became a famous electrician and was associated with William in many of his inventions. |
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