I have seen these but never one this nice and with 4 separate terminals usually they have two one at each end. This i believe was for early xray but may have been for an early military or scuence research application no real way of knowing. Beautiful Antique X-ray Tube and Holder.
The item "Beautiful Antique X-ray Tube and Holder vintage laboratory mad scientist prop" is in sale since Monday, January 11, 2021. This item is in the category "Antiques\Science & Medicine (Pre-1930)\Scientific Instruments\Other Antique Science Equip". The seller is "sellsitall1" and is located in Taunton, Massachusetts. This item can be shipped to United States.