Armoured door at the entrance to the Betatron at the Institute of Physics of the University of Jena, undated photo from 1958 . HAVE A LOOK IN MY STORE FOR MANY OTHER GREAT ITEMS USE THE SEARCH BAR TO LOOK BY NAME, TOPIC, LOCATION & SUBJECT You are bidding on a large historic photo, the photo is in excellent condition, it is sized 8x11 inches and has been professionally produced, Click on the image to see the photo enlarged, A great collectors piece. Postage can be combined for multiple orders.