Beamlines and Instrumentation (IMAGE) Physikalisch-Technische Bundesanstalt (PTB) Caption This shows beamlines and instrumentation at the Metrology Light Source. Credit PTB Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.