Physikalisch-Technische Bundesanstalt
22,99 €
inkl. MwSt.

Versandfertig in 6-10 Tagen
payback
11 °P sammeln
  • Broschiertes Buch

High Quality Content by WIKIPEDIA articles! The PTB was originally founded in 1887 as the Physikalisch-Technische Reichsanstalt (PTR) (the Physical and Technical Institute of the Reich). The goal of the organization was supervising and directing calibration and establishing metrological standards. Research areas included spectroscopy, photometry, electrical engineering, and cryogenics. Werner von Siemens was instrumental in its establishment. Until 1934 the PTR was part of the Reichsinnenministerium (the Reich's Ministry of Interior Affairs). After 1934 it became part of the…mehr

Andere Kunden interessierten sich auch für
Produktbeschreibung
High Quality Content by WIKIPEDIA articles! The PTB was originally founded in 1887 as the Physikalisch-Technische Reichsanstalt (PTR) (the Physical and Technical Institute of the Reich). The goal of the organization was supervising and directing calibration and establishing metrological standards. Research areas included spectroscopy, photometry, electrical engineering, and cryogenics. Werner von Siemens was instrumental in its establishment. Until 1934 the PTR was part of the Reichsinnenministerium (the Reich's Ministry of Interior Affairs). After 1934 it became part of the Reichserziehungsministerium (the Reich's Ministry of Education). The Institute's board of directors included Heinrich Konen and Walther Nernst around 1930, Albert Einstein (1917 1933), Ludwig Prandtl, and Max Planck, as well as representatives from Siemens AG, Krupp, and Zeiss. Its presidents were.