Super Rare Vintage Wwii Bomber Loran Navigation Aid Mark I Receiver R-9b/apn-4

SUPER RARE VINTAGE USED WWII BOMBER LORAN NAVIGATION AID MARK I RECEIVER R-9B/APN-4. A PLUG-IN IS DAMAGED ON THE FRONT OF THE UNIT. IT IS MISSING SEVERAL TUBES, SOMEONE TOOK THEM OUT YEARS AGO. THE TUBES AND THE PLUG-IN CAN BE REPLACED. THE CHASSIS AND THE ELECTRICAL COMPONENTS ARE IN VERY GOOD SHAPE.

HARD PIECE TO FIND THESE DAYS. GREAT COLLECTIBLE OR FOR A RESTORATION PROJECT.