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Title | Collection Number And Name | Photo Number |
1 |
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Philo T. Farnsworth at his desk in lab at 127 E. Mermaid Lane, Philadelphia, Pennsylvania. | P0437 Philo T. Farnsworth Photograph Collection | P0437n1_01_01 |
2 |
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Cyril Day working on a piece of machinery. | P0437 Philo T. Farnsworth Photograph Collection | P0437n1_07_01 |
3 |
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Farnsworth Iatron Tube. | P0437 Philo T. Farnsworth Photograph Collection | P0437n1_08_03 |
4 |
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Diode Cold Cathode Multipactor tubes....unique in that it has no filament. | P0437 Philo T. Farnsworth Photograph Collection | P0437n1_08_05 |
5 |
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Unidentified Equipment. | P0437 Philo T. Farnsworth Photograph Collection | P0437n1_08_23 |
6 |
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Carl J. Christensen with camera. | P0437 Philo T. Farnsworth Photograph Collection | P0437n1_09_01 |
7 |
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Philo T. Farnsworth, R Adm Frederick R. Furth, and Dr. Maraen Chowderoux. | P0437 Philo T. Farnsworth Photograph Collection | P0437n1_09_14 |
8 |
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Philo T. Farnsworth, R Adm Frederick R. Furth, and Dr. Maraen Chowderoux. | P0437 Philo T. Farnsworth Photograph Collection | P0437n1_09_15 |
9 |
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Philo T. Farnsworth, Right, Inventor of Television. | P0437 Philo T. Farnsworth Photograph Collection | P0437n1_11_04 |
10 |
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Philo T. Farnsworth with equipment. | P0437 Philo T. Farnsworth Photograph Collection | P0437n1_11_06 |
11 |
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Scene on roof of the Franklin Institute, Philadelphia-August, 1934. | P0437 Philo T. Farnsworth Photograph Collection | P0437n1_11_09 |
12 |
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One of the first outdoor experimental telecasts. Philadelphia-1934. | P0437 Philo T. Farnsworth Photograph Collection | P0437n1_11_21 |
13 |
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Mark III-installed on vacuum system. | P0437 Philo T. Farnsworth Photograph Collection | P0437n1_13_01 |
14 |
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Mark III-ready to operate. | P0437 Philo T. Farnsworth Photograph Collection | P0437n1_13_02 |
15 |
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Mark III-ready to operate. | P0437 Philo T. Farnsworth Photograph Collection | P0437n1_13_03 |
16 |
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Mark III-Anode hemispheres with all welding completed. | P0437 Philo T. Farnsworth Photograph Collection | P0437n1_13_04 |
17 |
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Mark III-Anode hemispheres with all welding completed. | P0437 Philo T. Farnsworth Photograph Collection | P0437n1_13_05 |
18 |
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First design Mark III Cathode. | P0437 Philo T. Farnsworth Photograph Collection | P0437n1_13_06 |
19 |
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Biased Gem parts. | P0437 Philo T. Farnsworth Photograph Collection | P0437n1_13_07 |
20 |
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Biased Gem parts. | P0437 Philo T. Farnsworth Photograph Collection | P0437n1_13_08 |
21 |
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Biased Gem parts. | P0437 Philo T. Farnsworth Photograph Collection | P0437n1_13_09 |
22 |
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Biased Gem parts. | P0437 Philo T. Farnsworth Photograph Collection | P0437n1_13_10 |
23 |
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Biased Gem parts. | P0437 Philo T. Farnsworth Photograph Collection | P0437n1_13_11 |
24 |
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ITT-Mark I. Room lite only-tube not operating. | P0437 Philo T. Farnsworth Photograph Collection | P0437n1_17_11 |
25 |
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ITT-Mark I. | P0437 Philo T. Farnsworth Photograph Collection | P0437n1_17_13 |