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Philo T. Farnsworth

 File — Box: 1, Folder: 36

Scope and Contents

  1. 1: Negative of image P0437n01_08_023
  2. 2. Negative only, graph showing raster level, similar to P0437n01_33_001.
  3. 3: Negative only, diagram of the Farnsworth storage-type image dissector tube, which displays no shading signal and has ten times the sensitivity of the ordinary iconscope. Duplicate (P0437n01_36_008).
  4. 4: Negative only, diagram of the end view of electrons in a magnetic field.
  5. 5: Negative for P0437n01_08_022.
  6. 6: Negative only, projected image, perhaps of an animal.
  7. 7: Negative only, diagram that is also included in P0437n01_33_002
  8. 8: Negative only, diagram of the Farnsworth storage-type image dissector tube, which displays no shading signal and has ten times the sensitivity of the ordinary iconscope. Duplicate (P0437n01_36_003).
  9. 9: Negative only, graph of sawtooth synthesis
  10. 10: Negative only, diagram of "the 'photo island' structure used in the Farnsworth tube." Duplicate P0437n01_34_006.

Dates

  • Creation: 1900-1980

Creator

Conditions Governing Access

Twenty-four hour advanced notice encouraged. Materials must be used on-site. Access to parts of this collection may be restricted under provisions of state or federal law.

Extent

From the Collection: 1.75 Linear Feet (4 archives boxes)

Language of Materials

From the Collection: English

Repository Details

Part of the J. Willard Marriott Library Special Collections Repository

Contact:
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