This fantastic Crookes deflection cathode tube demonstrates the influence of a magnetic field on the electron beam. The visible beam appears on the aluminum sheet covered with phosphor, will bend away from the center when a magnet is held near the tube. Depth: base 11cm diameter tube 5cm deep. Obviously this item is not new it has been used in classrooms for teaching.
The item "Antique CROOKES DEFLECTION CATHODE RAY TUBE circa 1920-1930" is in sale since Monday, September 27, 2021. This item is in the category "Collectables\Scientific Collectables\Other Scientific Collectables". The seller is "wildstrawberrystore" and is located in NORTH YORKSHIRE. This item can be shipped worldwide.