Max Knoll, “Aufladepotentiel und Sekundäremission elektronenbestrahlter Körper”, an article in Zeitschrift für technische Physik, volume 16, 1935, occupying pp 467–475 of 657pp of text. The paper includes 14 text images, five of which are reproductions of imagery made by the instrument.
Rebound in black cloth that is simple but elegant (really quite a lovely job); untrimmed. Small library rubber stamp on the back of the title page (the Technische Hochschule in Danzig, now Gdansk Technical University). $500
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First paper (“Static potential and secondary emission of bodies under electron irradiation” ) describing the concept of a Scanning Electron Microscope. See C. W. Oatle, “The early history of the scanning electron microscope”, Journal of Applied Physics 53, R1 (1982).
“The earliest known work describing the concept of a Scanning Electron Microscope was by M. Knoll (1935)” – Bernie C Breton, “The Early History and Development of The Scanning Electron Microscope”.
“Fundamental research by many physicists in the first quarter of the 20th century suggested that cathode rays (i.e., electrons) might be used in some way to increase microscope resolution. French physicist Louis de Broglie in 1924 opened the way with the suggestion that electron beams might be regarded as a form of wave motion. De Broglie derived the formula for their wavelength, which showed that, for example, for electrons accelerated by 60,000 volts (or 60 kilovolts [k]), the effective wavelength would be 0.05 angstrom (Å)—i.e., 1/100,000 that of green light. If such waves could be used in a microscope, then a considerable increase in resolution would result. In 1926 it was demonstrated that magnetic or electrostatic fields could serve as lenses for electrons or other charged particles. This discovery initiated the study of electron optics, and by 1931 German electrical engineers Max Knoll and Ernst Ruska had devised a two-lens electron microscope that produced images of the electron source. In 1933 a primitive electron microscope was built that imaged a specimen rather than the electron source, and in 1935 Knoll produced a scanned image of a solid surface.”--Encyclopedia Britannica
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