U.S. ARMY X-RAY FIELD 2-BOX UNIT. BI-PLANE MARKER AND RE-ORIENTATING DEVICE. ! WWII. Unit comes COMPLETE in the cases with the instruction . All parts are in MINT CONDITION! NO RUST! US ARMY item # 96191 ONE unit is used to locate foreign bodies in the body. The second unit helps guide the surgeon in removing it.Made by Westinghouse Electric & Manufacturing Co. X-ray Division. Baltimore Maryland. Used in WWII. Great unit to add to your collection. Any question please email. This is a very heavy unit.& unit 2 fits into boxed unit 1 Over 80 LBS .