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NSF
Nederlandse Seintoestellen Fabriek - this page is a stub

Nederlandse Seintoestellen Fabriek (Dutch Telegraph Factory), abbreviated NSF, was a Dutch manufacturer of domestic radio equipment and broadcast transmitters, established in 1918 and located in Hilversum (Netherlands). On 21 July 1923, the first public broadcast was made from its premises. Until 1960, NSF was the largest radio and transmitter factory of the Netherlands [1].


The company started as a joint venture between Marconi UK, Philips and Radio Holland, but eventually became a wholly owned subsidary of Philips in 1925. In 1947, NSF was renamed Philips Telecommunicatie Industry (PTI) and started the development of professional telephone exchanges. The company was eventually dissolved into Alcatel Lucent (1983) and NEC (2010).

NSF equipment on this website
NSF morse key used by the Dutch resistance during WWII
OD
Spy radio set, produced in 1947

History
The company was established in Amsterdam on 27 February 1918, as a joint venture between Marconi U.K. (40%), Philips (40%) and Radio Holland (20%), and was headquartered in Hilversum (Netherlands) — today the home of nearly all public broadcasters in the country. Initially, the company only produced professional transmitters for the Dutch Navy, the Air Force and for the Dutch overseas territories, but eventually they also made equipment for the merchant navy, in addition to domestic radio sets, Marconi transmitters and Philips consumer radios.

From 21 July 1923 onwards, the company started domestic broadcast trials and rented out studio space to several public broadcasters. After Philips took over all NSF shares in 1925, the company grew from 250 employees in 1920, to approx. 1000 in 1928. During the recession of 1929, NSF also produced bicycles and Meccano-like construction kits, mainly as an interim solution.

At the start of World War II (WWII), NSF had 1100 employees on its payroll. Immediately after the German invasion of the Netherlands in May 1940, the company was taken over by the German occupant and was forced to produce equipment for the German war machine. During the war, NSF employees had a leading role in the planning of the general strike of February 1941, sabotage activities and the secret production of clandestine radio equipment for the Dutch resistance.

After the war, the factories in Hilversum and Huizen were completely taken over by Philips, and the transmitter factory was converted into a telecommunication factory — aiming at the inter­national market for switched telephone and telex exchanges. In 1947, the name NSF was changed to Philips Telecommunicatie Industrie (PTI) and by 1948, PTI had more than 3000 employees.


In the 1970s, PTI's profitability started to decline. The equipment became increasinly complex, resulting in high research and development costs. In 1983, PTI (Philips) went into a joint venture with the American AT&T for the development of fully digital public telephone exchanges and transmission equipment, under the name Lucent Technologies (Alcatel). The development of on-premises exchanges (PABX) — for homes and offices — was left with Philips, but was branched off into a joint venture with NEC in 2006, and was eventually fully taken over by NEC in 2010.


References
  1. Wikipedia (Netherlands), Nederlandse Seintoestellen Fabriek
    Retrieved April 2021.

  2. Gooi en Vechtreek, NSF - Nederlandse Seintoestellen Fabriek
    Retrieved April 2021.
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Crypto Museum. Created: Thursday 01 April 2021. Last changed: Thursday, 01 April 2021 - 10:20 CET.
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