radio and TV receivers. The term inductor seems to come from Heinrich Daniel Ruhmkorff, who called the induction coil he invented in 1851 an inductorium... 59 KB (6,820 words) - 06:13, 21 April 2024 |
Gas-discharge lamp (redirect from "Ruhmkorff" lamp) lighting to home or indoor use. Ruhmkorff lamps were an early form of portable electric lamp, named after Heinrich Daniel Ruhmkorff and first used in the 1860s... 29 KB (3,308 words) - 09:21, 5 March 2024 |
Heinrich Rudolf Hertz (/hɜːrts/ HURTS; German: [ˈhaɪnʁɪç ˈhɛʁts]; 22 February 1857 – 1 January 1894) was a German physicist who first conclusively proved... 39 KB (3,893 words) - 18:23, 25 April 2024 |
Clock, Rubik's Magic, Rubik's Revenge. Heinrich Daniel Ruhmkorff, German inventor – Ruhmkorff commutator, Ruhmkorff coil. Rumpelstiltskin, German fairy tale... 97 KB (9,351 words) - 15:43, 22 March 2024 |
(1784–1855), sculptor Julio Ruelas (1870–1907), Mexican painter Heinrich Daniel Ruhmkorff (1803–1877), German inventor Jean Sablon (1906–1994), singer Charles... 18 KB (2,038 words) - 16:11, 13 December 2023 |
of an electric induction coil made by German instrument maker Heinrich Daniel Ruhmkorff, which produced a small two-inch (50 mm) electric spark when energized... 8 KB (1,047 words) - 00:59, 8 March 2024 |
for mechanical television. Two years later, his patent ran out. 1886: Heinrich Hertz succeeds in proving the existence of electromagnetic waves for the... 52 KB (4,513 words) - 15:42, 30 January 2024 |
of induction coils. Premiere among these instrument makers was Heinrich Daniel Ruhmkorff, who in 1864 received from Emperor Napoleon III the prestigious... 39 KB (5,588 words) - 01:50, 26 March 2024 |