The streams of Lenard and Roentgen and Novel Apparatus for their production April 6, 1897
Lecture by Nikola Tesla, before the New York Academy of Sciences
Part 1 Improved apparatus for the production of powerful electric vibrations. Novel frequency measurement methods
Part 1 Addition
Part 2 The hurtful actions of Lenard and Roentgen tubes
Part 3 The source of Roentgen Rays, the Practical construction and safe operation of Lenard tubes.
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ADDITION TO PART 1 42

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Part 2 The Hurtful Actions of Lenard and
Roentgen Tubes
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Part 3
The Source of Roentgen Rays, the Practical Construction and Safe Operation of Lenard Tubes
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