file:JbFaceplate.jpg|A shot of the collimator's face plate. The four screws that are visible along the vertical of the face plate in this picture secure the tungsten pin cushions to the white insulating cup. | file:JbFaceplate.jpg|A shot of the collimator's face plate. The four screws that are visible along the vertical of the face plate in this picture secure the tungsten pin cushions to the white insulating cup. |