Electron microscopy.

Explains the principle of the electron microscope and shows its operation and the methods of preparing specimens by ultra-microtome and carbon film cast. Shows examples of the detail of fine structure observed in various materials, and the observation of experiments carried out under the microscope on surface wear and crystal structure of metals.
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Electron Microscopy

Through animated drawings and photography explains the hypothesis that electricity consists of unit elementary charges. Demonstrates the conduction of electricity through solutions, gases, and vacuum: Faraday's laws; movement of charges in vacuum tubes: operation of photoelectric cells: and reproduction of sound on film. For high school and college groups.NOTE: Two (or more) records have been merged together to create this data.

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  1. 16mm Filmography (legacy record) — title, year, length, format, sound, genre, catalog record, video
  2. Internet Archive · record ↗ — title, year, creator, format, genre, description, video
  3. 16mm Filmography editors — description