Johann Georg Halske
Johann Georg Halske (30 July 1814 – 18 March 1890) was a German master mechanic.
Born in Hamburg, Halske started his own workshop in Berlin in 1844, which he ran together with his partner F. M. Böttcher. In 1847 Halske founded the Siemens & Halske Telegraph Construction Company together with Werner von Siemens. Halske was particularly involved in the construction and design of electrical equipment such as the press which enabled wires to be insulated with a seamless coat of gutta-percha, the pointer telegraph and the morse telegraph and measuring instruments. In 1867 he withdrew from the company because his views on company policy diverged from those of the Siemens brothers and devoted himself in his role as a Berlin city councillor to the administration of the city and the establishment of the Museum of Decorative Art. He remained friends with Werner von Siemens until Halske's death in 1890. Even after his departure, he continued to support the company and participated financially in the Siemens pension fund, founded in 1872.
- "The year is 1847". Siemens Historical Institute. Retrieved 2019-06-05.
- "The start of an adventure in telegraphy – A precision mechanic and a military officer establish a global company". Siemens Historical Institute. Retrieved 2019-06-14.
- Lifelines: Johann Georg Halske. Vol. 1, ed. Siemens Historical Institute, Munich 2014.
- Picture, biography, and bibliography in the Virtual Laboratory of the Max Planck Institute for the History of Science
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