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Number of results to display per page
TitleCollection Number And NamePhoto Number
1 Farnsworth Iatron Tube.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_08_03
2 Diode Cold Cathode Multipactor tubes....unique in that it has no filament.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_08_05
3 Carl J. Christensen with camera.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_09_01
4 Carl J. Christensen with camera.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_11_26
5 Philo T. Farnsworth as a young man.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_01_10a
6 P.T. Farnsworth with his television receiver-1920 or 30.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_11_15
7 Philo T. Farnsworth with Image Dissector.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_11_14
8 Philo with first mobil unit.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_11_20
9 "PTF, winter 1925. The world looked pretty dark. Had lost his father and could get no one to listen to his T.V. ideas. Couldn't even find a job. Finally took a street cleaning job until he could find something better."P0437 Philo T. Farnsworth Photograph CollectionP0437n2_01_03
10 1927-1st Electronic Transmitter-produced by Farnsworth at 202 Green Street, San Francisco.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_08_17
11 1927-1st Electronic Transmitter-produced by Farnsworth at 202 Green Street, San Francisco.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_08_20
12 Les Gorrell, Philo Farnsworth, and George Emerson in Philo's Green Street Lab-1928.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_09_12
13 Philo T. Farnsworth at 202 Green Street Lab-1928.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_01_28a
14 P.T. Farnsworth with 1929 version of continuous film TV transmitter first attempts-San Francisco, Green Street Lab-Late 1928.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_11_22
15 Unidentified Equipment.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_08_23
16 Farnsworth Television Receiver as of 1930.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_08_19
17 Farnsworth with early television camera.P0437 Philo T. Farnsworth Photograph CollectionP0437n2_10_01
18 First design Mark III Cathode.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_13_06
19 Group with Mark I government lab.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_17_24
20 Group with Mark I government lab.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_17_23
21 Group with Mark I government lab.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_17_25
22 Cyril Day working on a piece of machinery.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_07_01
23 Pictures of received picture on Farnsworth TV receiver-1930.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_23_03
24 Biased Gem parts.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_13_10
25 Biased Gem parts.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_13_08
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