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TELEPHONE & NORMALZEIT Timeline
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Bosch takes full ownership 1987
Robert Bosch had held a majority stake since 1981, rising in stages through the decade. At the turn of 1987 into 1988 it buys out AEG's remaining share, and the Frankfurt company that once carried Harry Fuld's name becomes a Bosch subsidiary outright. Technikforum Backnang -
The clock business winds down 1980s
Cheap standalone radio-controlled clocks and the arrival of mobile phones erode demand for wired clock networks. Under Bosch's ownership the clock systems side is treated as a cost centre rather than a line worth investing in, even with Deutsche Bahn still a loyal customer. Telefonbau und Normalzeit -
Market leader, and the Bundesbahn 1950s
For decades T&N is the leading name in German electric clock systems. Deutsche Bahn is its single biggest customer, and the diamond on the dial becomes as familiar on a German platform as the clock itself. Telefonbau und Normalzeit -
The name Telefonbau & Normalzeit 1937
Ownership passes fully to the Lehner family under Aryanization, the Nazi program for the forced transfer of Jewish-owned businesses. The firm takes the name it will carry for the rest of the century: Telefonbau & Normalzeit, T&N. Dokuzentrum T&N, Watch-Wiki -
Boycotted, and forced out 1933
A year after Fuld's death, his successors rename the firm, but public buyers, including the city of Frankfurt itself, boycott it as a "Jewish concern." Within two years the company is forced to part with every Jewish shareholder and nearly 1,500 Jewish employees. Geschichtsverein Informationstechnik -
T&N begins building clocks 1913
Still trading under Fuld's name, the company adds electric clocks to its telephone business. The clock line will go on to outlast the telephones by decades. Dokuzentrum T&N -
Harry Fuld founds the company 1899
At twenty, Harry Fuld founds the Deutsche Privat-Telephon-Gesellschaft H. Fuld & Co in Frankfurt, renting out telephones sourced from Belgium before the firm starts building its own. 125 Jahre TN, Dokuzentrum T&N

