1 - 25 of 47
Number of results to display per page
TitleCollection Number And NamePhoto Number
1 Cyril Day working on a piece of machinery.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_07_01
2 Farnsworth Iatron Tube.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_08_03
3 Diode Cold Cathode Multipactor tubes....unique in that it has no filament.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_08_05
4 Unidentified Equipment.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_08_23
5 Carl J. Christensen with camera.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_09_01
6 Philo T. Farnsworth, R Adm Frederick R. Furth, and Dr. Maraen Chowderoux.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_09_14
7 Philo T. Farnsworth, R Adm Frederick R. Furth, and Dr. Maraen Chowderoux.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_09_15
8 Philo T. Farnsworth, Right, Inventor of Television.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_11_04
9 Philo T. Farnsworth with equipment.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_11_06
10 Philo T. Farnsworth Philadelphia Lab-1938.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_11_08
11 The Farnsworth television show was taken on a country- wide tour in 1938. Very well received.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_11_28
12 Mark III-installed on vacuum system.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_13_01
13 Mark III-ready to operate.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_13_02
14 Mark III-ready to operate.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_13_03
15 Mark III-Anode hemispheres with all welding completed.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_13_04
16 Mark III-Anode hemispheres with all welding completed.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_13_05
17 First design Mark III Cathode.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_13_06
18 Biased Gem parts.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_13_07
19 Biased Gem parts.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_13_08
20 Biased Gem parts.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_13_09
21 Biased Gem parts.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_13_10
22 Biased Gem parts.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_13_11
23 ITT-Mark I. Room lite only-tube not operating.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_17_11
24 ITT-Mark I.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_17_13
25 ITT-Mark I.P0437 Philo T. Farnsworth Photograph CollectionP0437n1_17_14
1 - 25 of 47