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Structure and cross-section of the dynamo machine, 1866

Structure and cross-section of the dynamo machine, 1866

1866: Werner von Siemens discovers the dynamo-electric principle

In 1866, Werner von Siemens made his most important contribution to electrical engineering. Building on the work of Michael Faraday, he discovered the dynamo-electric principle and constructed a dynamo machine, the forerunner of modern, large-scale electric generators. Unlike other researchers in the field who were working on the same problem, Werner von Siemens recognized the economic significance of his invention and, in 1867, took out patents to ensure his right to commercialize it.

After roughly 10 years of development and testing, the dynamo was ready for series production in 1875. Its launch marked the start of a new era in the history of electrical engineering. The ability to generate and distribute large amounts of electrical energy at low cost gave a major boost to the economy.

High-voltage engineering began its triumphal march. The first areas of application were electric lighting and drives technology. On March 1, 1879, the Siemens villa in Charlottenburg became Germany’s first private residence to be lit by electrical energy. At the Berlin Trade Fair a few weeks later, Siemens & Halske presented the world’s first electric railway powered by an external electricity supply.

Structure and cross-section of the dynamo machine, 1866

Structure and cross-section of the dynamo machine, 1866

From 1868: Construction of the Indo-European Telegraph Line

In 1866, Werner von Siemens made his most important contribution to electrical engineering. Building on the work of Michael Faraday, he discovered the dynamo-electric principle and constructed a dynamo machine, the forerunner of modern, large-scale electric generators. Unlike other researchers in the field who were working on the same problem, Werner von Siemens recognized the economic significance of his invention and, in 1867, took out patents to ensure his right to commercialize it.

After roughly 10 years of development and testing, the dynamo was ready for series production in 1875. Its launch marked the start of a new era in the history of electrical engineering. The ability to generate and distribute large amounts of electrical energy at low cost gave a major boost to the economy.

High-voltage engineering began its triumphal march. The first areas of application were electric lighting and drives technology. On March 1, 1879, the Siemens villa in Charlottenburg became Germany’s first private residence to be lit by electrical energy. At the Berlin Trade Fair a few weeks later, Siemens & Halske presented the world’s first electric railway powered by an external electricity supply.

Structure and cross-section of the dynamo machine, 1866

Structure and cross-section of the dynamo machine, 1866

From 1872: First company social benefits

In 1866, Werner von Siemens made his most important contribution to electrical engineering. Building on the work of Michael Faraday, he discovered the dynamo-electric principle and constructed a dynamo machine, the forerunner of modern, large-scale electric generators. Unlike other researchers in the field who were working on the same problem, Werner von Siemens recognized the economic significance of his invention and, in 1867, took out patents to ensure his right to commercialize it.

After roughly 10 years of development and testing, the dynamo was ready for series production in 1875. Its launch marked the start of a new era in the history of electrical engineering. The ability to generate and distribute large amounts of electrical energy at low cost gave a major boost to the economy.

High-voltage engineering began its triumphal march. The first areas of application were electric lighting and drives technology. On March 1, 1879, the Siemens villa in Charlottenburg became Germany’s first private residence to be lit by electrical energy. At the Berlin Trade Fair a few weeks later, Siemens & Halske presented the world’s first electric railway powered by an external electricity supply.

Highlights from 175 years of Siemens history

Learn about selected events from the company’s history on our Stories website, which we’re continually expanding for you.

The electrification of the world

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Europe calling America

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Departure to South Africa

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Photos and additional information

Siemens photos and documents may only be used for editorial and academic purposes.

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Tramway in front of the Church of the Nativity of the Virgin at Putinki in Moscow, 1899 (300 dpi)

Route of the Indo-European telegraph line, 1870s (300 dpi)

Employees at the control clock, 1900 (300 dpi)

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