IN reference to the Wehnelt current interrupter—in 1874 I used a similar interrupter on a coil with fifty Groves' cells. The idea was not even then new, for although my experiment was due to ...
THE form of contact breaker recently introduced by Wehnelt is attracting so much notice, that it may be worth while to draw attention to an essentially identical arrangement described by Spottiswoode ...
Weeping Peninsula (South Limgrave) - Dungeons, Points of Interest, and Secrets East Liurnia - Dungeons, Points of Interest, and Secrets North Liurnia - Dungeons, Points of Interest, and Secrets West ...