<![CDATA[Gallery - 1900-1909 (Latest images)]]> https://www.frenulardelta.com/gallery Sun, 27 Sep 2026 14:40:44 -0700 Sun, 27 Sep 2026 14:40:44 -0700 http://blogs.law.harvard.edu/tech/rss Zenphoto RSS Generator <![CDATA[About the 'father' of electronics, Professor Sir John Ambrose Fleming (1900-1909)]]> https://www.frenulardelta.com/gallery/index.php?album=Radio/1900-1909&image=About-the-father-of-electronics-Professor-Sir-John-Ambrose-Fleming.mp4 About the 'father' of electronics, Professor Sir John Ambrose Fleming

Date: 6079-09-27 17:46]]> https://www.frenulardelta.com/gallery/index.php?album=Radio/1900-1909&image=About-the-father-of-electronics-Professor-Sir-John-Ambrose-Fleming.mp4 Mon, 05 May 2025 16:01:19 -0700 <![CDATA[Wireless-Telegraphy-Its-Hisrtory-Collins-1905 (1900-1909)]]> https://www.frenulardelta.com/gallery/index.php?album=Radio/1900-1909&image=Wireless-Telegraphy-Its-Hisrtory-Collins-1905.pdf Wireless-Telegraphy-Its-Hisrtory-Collins-1905
Date: 6052-09-27 17:46]]> https://www.frenulardelta.com/gallery/index.php?album=Radio/1900-1909&image=Wireless-Telegraphy-Its-Hisrtory-Collins-1905.pdf Mon, 05 May 2025 16:00:52 -0700 <![CDATA[Rod Burman Fleming Valve_One man's collection of rare electric valves (1900-1909)]]> https://www.frenulardelta.com/gallery/index.php?album=Radio/1900-1909&image=Rod-Burman-Fleming-Valve_One-man-s-collection-of-rare-electric-valves.mp4 Rod Burman Fleming Valve_One man's collection of rare electric valves

Date: 6050-09-27 17:46]]> https://www.frenulardelta.com/gallery/index.php?album=Radio/1900-1909&image=Rod-Burman-Fleming-Valve_One-man-s-collection-of-rare-electric-valves.mp4 Mon, 05 May 2025 16:00:50 -0700 <![CDATA[Thermionic Valve (c. 1889). Used in Fleming’s experiments on the Edison effect, and later in wireless telegraphy (1900-1909)]]> https://www.frenulardelta.com/gallery/index.php?album=Radio/1900-1909&image=Thermionic-Valve-c.-1889-.-Used-in-Fleming-s-experiments-on-the-Edison-effect-and-later-in-wireless-telegraphy.jpg Thermionic Valve (c. 1889). Used in Fleming’s experiments on the Edison effect, and later in wireless telegraphy
Date: 6036-09-27 17:46]]> https://www.frenulardelta.com/gallery/index.php?album=Radio/1900-1909&image=Thermionic-Valve-c.-1889-.-Used-in-Fleming-s-experiments-on-the-Edison-effect-and-later-in-wireless-telegraphy.jpg Tue, 17 Apr 2007 01:49:37 -0700 <![CDATA[The first prototype Fleming valves, built October 1904 (1900-1909)]]> https://www.frenulardelta.com/gallery/index.php?album=Radio/1900-1909&image=The-first-prototype-Fleming-valves-built-October-1904.jpg The first prototype Fleming valves, built October 1904
Date: 6034-09-27 17:46]]> https://www.frenulardelta.com/gallery/index.php?album=Radio/1900-1909&image=The-first-prototype-Fleming-valves-built-October-1904.jpg Mon, 05 May 2025 16:00:34 -0700 <![CDATA[FlemingSlaby-ArcoApparatus (1900-1909)]]> https://www.frenulardelta.com/gallery/index.php?album=Radio/1900-1909&image=FlemingSlaby-ArcoApparatus.jpg FlemingSlaby-ArcoApparatus
Date: 6034-09-27 17:46]]> https://www.frenulardelta.com/gallery/index.php?album=Radio/1900-1909&image=FlemingSlaby-ArcoApparatus.jpg Mon, 05 May 2025 16:00:34 -0700 <![CDATA[flemingDiodePatent1904_GB190424850A (1900-1909)]]> https://www.frenulardelta.com/gallery/index.php?album=Radio/1900-1909&image=flemingDiodePatent1904_GB190424850A.pdf flemingDiodePatent1904_GB190424850A
Date: 6034-09-27 17:46]]> https://www.frenulardelta.com/gallery/index.php?album=Radio/1900-1909&image=flemingDiodePatent1904_GB190424850A.pdf Mon, 05 May 2025 16:00:34 -0700 <![CDATA[FlemingOscillograph (1900-1909)]]> https://www.frenulardelta.com/gallery/index.php?album=Radio/1900-1909&image=FlemingOscillograph.jpg FlemingOscillograph
Date: 6034-09-27 17:46]]> https://www.frenulardelta.com/gallery/index.php?album=Radio/1900-1909&image=FlemingOscillograph.jpg Mon, 05 May 2025 16:00:34 -0700 <![CDATA[FlemingMagneticDetector&Cymoscope (1900-1909)]]> https://www.frenulardelta.com/gallery/index.php?album=Radio/1900-1909&image=FlemingMagneticDetector-Cymoscope.jpg FlemingMagneticDetector&Cymoscope
Date: 6034-09-27 17:46]]> https://www.frenulardelta.com/gallery/index.php?album=Radio/1900-1909&image=FlemingMagneticDetector-Cymoscope.jpg Mon, 05 May 2025 16:00:34 -0700 <![CDATA[20110707070132!John_Ambrose_Fleming_1906 (1900-1909)]]> https://www.frenulardelta.com/gallery/index.php?album=Radio/1900-1909&image=20110707070132-John_Ambrose_Fleming_1906.png 20110707070132!John_Ambrose_Fleming_1906
Date: 6033-09-27 17:46]]> https://www.frenulardelta.com/gallery/index.php?album=Radio/1900-1909&image=20110707070132-John_Ambrose_Fleming_1906.png Mon, 05 May 2025 16:00:33 -0700