This year it is 50 years since the Physikalisch-Technische Bundesanstalt (PTB) was established in Braunschweig. On this occasion, a series of events will be held from July 3 to 5, 1997.
On July 3, 1997, the series of events will begin with the opening of the touring exhibition "Hermann von Helmholtz - classic at the turn of the epochs" at the Braunschweiger Landesmuseum, Burgplatz 1, 38100...
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