PTB full form is Physikalisch-Technische Bundesanstalt which is a German based institute.
PTB was founded in 1987. Physikalisch-Technische Reichsanstalt was the previous name of Physikalisch-Technische Bundesanstalt.
It is the (NMIG) National Metrology Institute of Germany with scientific and technical service tasks.
PTB is engineering institute where candidate’s can study about engineering and technical course.
PTB’s main location is placed in the north-west of the city of Braunschweig, in the district of Völkenrode.
It has been based in Braunschweig since 1947.
About 1500 members of staff in eight divisions work at the 1 km 2 site.
They also has been published a book but it can be found in there library only.
Bundesallee 100, 38116 Braunschweig, phone: +49(0)531 592-0.