User contributions
- 20:06, 11 December 2019 (diff | hist) . . (-6) . . m Technical tour EHArmstrong (→Royal Poinciana Hotel) (current)
- 19:37, 11 December 2019 (diff | hist) . . (+1,145) . . Technical tour EHArmstrong
- 19:06, 11 December 2019 (diff | hist) . . (+106) . . N File:Edwin Armstrong wife and portable superhet radio.jpg (https://commons.wikimedia.org/wiki/File:Edwin_Armstrong_wife_and_portable_superhet_radio.jpg) (current)
- 18:41, 11 December 2019 (diff | hist) . . (+574) . . Technical tour EHArmstrong
- 18:13, 11 December 2019 (diff | hist) . . (+467) . . Technical tour EHArmstrong
- 17:44, 11 December 2019 (diff | hist) . . (+912) . . Technical tour EHArmstrong (Tag: Visual edit)
- 16:40, 10 December 2019 (diff | hist) . . (+377) . . Technical tour EHArmstrong
- 16:38, 10 December 2019 (diff | hist) . . (+96) . . N File:Original marconi shack.jpg (http://www.radiomarine.org/gallery/show?keyword=RP&panel=pab1_10 Copyright unknown) (current)
- 16:27, 10 December 2019 (diff | hist) . . (+133) . . N File:Prototype Armstrong superheterodyne receiver 1920.jpg (Public Domain https://upload.wikimedia.org/wikipedia/commons/c/ce/Prototype_Armstrong_superheterodyne_receiver_1920.jpg) (current)
- 15:33, 10 December 2019 (diff | hist) . . (+149) . . N File:Alpine Tower.jpg (This image is public domain Retrieved from: https://commons.wikimedia.org/wiki/File:Armstrong_FM_radio_station_W2XMN_Alpine_NJ_1940.jpg) (current)
- 15:19, 10 December 2019 (diff | hist) . . (0) . . File:Empire State.jpg (Sthapa uploaded a new version of File:Empire State.jpg) (current)
- 15:17, 10 December 2019 (diff | hist) . . (+76) . . N File:River House.jpg (Source: https://www.loc.gov/pictures/item/2018751216/resource/) (current)
- 15:09, 10 December 2019 (diff | hist) . . (+67) . . N File:Empire State.jpg (Source: https://www.loc.gov/pictures/item/2014648260/)
- 15:01, 10 December 2019 (diff | hist) . . (+85) . . N File:Aeolian Hall (1923).jpg (Source: https://commons.wikimedia.org/wiki/File:Aeolian_Hall_(1923).jpg) (current)
- 14:57, 10 December 2019 (diff | hist) . . (+1,134) . . Technical tour EHArmstrong
- 21:45, 9 December 2019 (diff | hist) . . (+123) . . Technical tour EHArmstrong (Tag: Visual edit: Switched)
- 21:24, 9 December 2019 (diff | hist) . . (+76) . . N File:Columbia PHall.jpg (Source: https://commons.wikimedia.org/wiki/File:Philohall.JPEG) (current)
- 20:47, 9 December 2019 (diff | hist) . . (+126) . . N File:1032 Warburton Ave.jpg (E.H. Armstrong's 3rd Family Home Source: https://commons.wikimedia.org/wiki/File:EdwinHArmstrongHouse_c1975.jpg) (current)
- 20:31, 9 December 2019 (diff | hist) . . (+135) . . N File:North Presbyterian Church, Ninth Avenue at 31st Street, New York City.jpg (Source: https://commons.wikimedia.org/wiki/File:North_Presbyterian_Church,_Ninth_Avenue_at_31st_Street,_New_York_City.jpg) (current)
- 15:34, 19 November 2019 (diff | hist) . . (+2,858) . . N Edward F. Labuda (Created page with "Edward F. Labuda graduated from Jeannette, High School in 1955 as co-valedictorian, received a BS in Physics from Case Institute of Technology in 1959, a MS in Electrical Engi...")
- 16:54, 14 November 2019 (diff | hist) . . (+22) . . m Helium-Neon Laser (Tag: Visual edit)
- 16:54, 14 November 2019 (diff | hist) . . (+60) . . Helium-Neon Laser (Tag: Visual edit: Switched)
- 16:10, 14 November 2019 (diff | hist) . . (+17) . . m Helium-Neon Laser (Tag: Visual edit)
- 15:52, 14 November 2019 (diff | hist) . . (+33) . . m Helium-Neon Laser (Tag: Visual edit)
- 15:47, 14 November 2019 (diff | hist) . . (+22) . . m Ali Javan (current) (Tag: Visual edit)
- 15:44, 14 November 2019 (diff | hist) . . (+101) . . m Laser (Linked to Helium-Neon Laser page) (current) (Tag: Visual edit)
- 15:39, 14 November 2019 (diff | hist) . . (+70) . . m Helium-Neon Laser (Tag: Visual edit)
- 15:36, 14 November 2019 (diff | hist) . . (+1,743) . . N Helium-Neon Laser