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===== Dawning of the era of electrical engineering ===== | ===== Dawning of the era of electrical engineering ===== | ||
[[File:1950 Siemens | [[File:1950 Siemens Waescheschleuder Siemens.jpg|thumb|1950's advertisement for the Siemens spin-dryer. (Source: Siemens Corporate Archives)]] | ||
In addition to communications technology, Werner Siemens succeeded in laying the cornerstone for electrical engineering with the discovery of the dynamo-electric principle in 1866. This dynamo for the first time allowed mechanical energy to be converted cost-effectively into electricity. The machine was the trigger for a series of other groundbreaking Siemens technologies, including the first electrical railway, the first electrical street lighting and the first electrical elevator.<ref>Siemens AG (Ed): 150 Jahre Siemens, pages 12-13.</ref> | In addition to communications technology, Werner Siemens succeeded in laying the cornerstone for electrical engineering with the discovery of the dynamo-electric principle in 1866. This dynamo for the first time allowed mechanical energy to be converted cost-effectively into electricity. The machine was the trigger for a series of other groundbreaking Siemens technologies, including the first electrical railway, the first electrical street lighting and the first electrical elevator.<ref>Siemens AG (Ed): 150 Jahre Siemens, pages 12-13.</ref> | ||