Device for Local Application (IMAGE) St. Petersburg State University Caption Portable device for local application of oscillating magnetic fields: 1 - generator; 2 - batteries; 3 - connecting cable; 4 - magnetic coil; 5 - loops for attaching the device on the back of the bird. Credit SPbU 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.