Jackson type X-ray tube, United Kingdom, 1896
- Science Museum, London
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About this work
X-rays were discovered by Wilhelm Röntgen in November 1895. This is a very early example of an X-ray tube. It was developed in 1896 by Henry Jackson (1863-1936). The Jackson X-ray tube features a cup-shaped cathode. This focuses the cathode rays onto the platinum anode target. When the cathode rays hit the anode, their energy changed into invisible X-rays. These X-rays passed out through the glass. The Jackson tube is also known as a Focus Tube. It is important in the evolution of X-ray tubes. maker: Unknown maker Place made: United Kingdom