French Philippe Le Corbeiller Cited by user Verbex on 31 Mar 2023 Philippe Emmanuel Le Corbeiller (né le 11 janvier 1891 – mort à Wassenaar 24 juillet 1980) est un ingénieur et physicien franco-américain.
English TM (triode) Cited by user Retired electrician on 18 Sep 2020 The TM (from, also marketed as TM Fotos and TM Metal) was a triode vacuum tube for amplification and demodulation of radio signals, manufactured in France from November…