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The Visionary Period 1880-1929

The Visionary Period 1880-1929. By: Kerri Clemons, Jekwan Cobb, and Maribel Bravo. Eugene Goldstein. 1876 CATHODE RAY Goldstein proved that the materials of the cathode ray made no difference in how the ray was made. Sheldon Bidwell. 1881 TELEPHOTOGRAPHY. Paul NipKow. 1881

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The Visionary Period 1880-1929

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  1. The Visionary Period 1880-1929 By: Kerri Clemons, Jekwan Cobb, and Maribel Bravo

  2. Eugene Goldstein • 1876 CATHODE RAY • Goldstein proved that the materials of the cathode ray made no difference in how the ray was made

  3. Sheldon Bidwell • 1881 • TELEPHOTOGRAPHY

  4. Paul NipKow • 1881 • ELECTRONIC TELESCOPE

  5. Paths that were developed for television systems • MECHANICAL- based on the rotating disks that NipKow created • ELTRONIC-Based on cathode ray tube work

  6. Development of radios 1919-1926 • Amateur radio stations adopted vacuum tube technology • They also began to explore shortwave frequencies • Amateur radio stations also were banned from making entertainment broadcasts • Vacuum tube amplification for television was introduced

  7. THANKS FOR WATCHING!

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