Contribucions de l'usuari Chetvorno

3 abr 2023

• 22:0122:01, 3 abr 2023 dif. hist. −10‎ m Electrònica ‎ (GR) File renamed: File:RX 1914 tranchée colorized.jpg → File:RX 1914 tranchée.jpg Decided it will be easier to just keep the name and revert the colorized image to the original black and white
• 21:4621:46, 3 abr 2023 dif. hist. +10‎ m Electrònica ‎ (GR) File renamed: File:RX 1914 tranchée.JPG → File:RX 1914 tranchée colorized.jpg The original file was a historical black&white photo which is used in a lot of encyclopedia articles so it should have the original name. The current colorized version is original research so it should not have replaced the original photo but should have a different name

3 oct 2015

• 20:2820:28, 3 oct 2015 dif. hist. +19‎ m Història de la ràdio ‎ (GR) File renamed: File:First portable radio, 1923 -b.jpg → File:Edwin Armstrong wife and portable superhet radio.jpg Former name was misleading; it was certainly not the first portable radio

8 abr 2011

• 15:1915:19, 8 abr 2011 dif. hist. +12‎ Electroimant ‎ →‎La força del materials ferromagnètics: Changed image size
• 15:1715:17, 8 abr 2011 dif. hist. +44‎ Electroimant ‎ →‎La força del materials ferromagnètics: Added image of electromagnet