expensive mercury vacuum pumps. However, about 1893, Italian inventor Arturo Malignani [it] (1865–1939), who lacked these pumps, discovered that phosphorus...
105 KB (11,935 words) - 01:30, 27 August 2024
Parliament of Gemona-Tarcento Angelo Angeli, (1864-1931), chemist Arturo Malignani, (1865-1939), inventor - from 1898 to 1900 he built the Crosis dam...
6 KB (653 words) - 18:44, 26 August 2024
planet was named for... Ref · Catalog 374848 Arturomalignani 2006 VK Arturo Malignani (1865–1939) was an Italian inventor from Friuli. Interested in numerous...
3 KB (419 words) - 15:17, 12 November 2023