![The Bell System technical journal . y required for suchsystems, and a power of 50 watts has to be transmitted through themthereby introducing special problems in the design of the coils The Bell System technical journal . y required for suchsystems, and a power of 50 watts has to be transmitted through themthereby introducing special problems in the design of the coils](https://c8.alamy.com/comp/2CNCFAA/the-bell-system-technical-journal-y-required-for-suchsystems-and-a-power-of-50-watts-has-to-be-transmitted-through-themthereby-introducing-special-problems-in-the-design-of-the-coils-andcondensers-iigs-10-and-11-are-fnmt-ami-lgtack-iews-of-one-of-thesefilters-one-of-the-uiuisiiil-featines-in-the-use-of-these-lillers-is-the-fu-i-thatthe-position-of-the-filters-in-the-circuit-is-changed-from-time-to-time-cirkirr-telephony-on-high-loltace-linus-im-1-tin-mratiii-of-the-ri-li-slmwiinii-l-ii-ii-iliit-is-to-si-wlu-nthe-transmitting-circuit-is-oporatini-at-a-frii-2CNCFAA.jpg)
The Bell System technical journal . y required for suchsystems, and a power of 50 watts has to be transmitted through themthereby introducing special problems in the design of the coils
![PORTRAIT EXPRESS: À LILLERS, LAURENT PETIT-DUHEN OFFRE UNE SECONDE VIE AUX VIEUX POSTES RADIO - La Voix du Nord PORTRAIT EXPRESS: À LILLERS, LAURENT PETIT-DUHEN OFFRE UNE SECONDE VIE AUX VIEUX POSTES RADIO - La Voix du Nord](https://lvdneng.rosselcdn.net/sites/default/files/dpistyles_v2/vdn_864w/2020/01/17/node_696475/45024377/public/2020/01/17/B9722258596Z.1_20200117173111_000%2BG7TF85HO0.7-0.jpg?itok=Zmh6Nx_Y1579278680)
PORTRAIT EXPRESS: À LILLERS, LAURENT PETIT-DUHEN OFFRE UNE SECONDE VIE AUX VIEUX POSTES RADIO - La Voix du Nord
![Former Adams House Master and Astronomy Professor William Liller '48, 'Enamored With the Cosmos,' Dies at 93 | News | The Harvard Crimson Former Adams House Master and Astronomy Professor William Liller '48, 'Enamored With the Cosmos,' Dies at 93 | News | The Harvard Crimson](https://s3.amazonaws.com/media.thecrimson.com/photos/2021/04/05/234909_1349711.jpg)