IN a previous communication to this journal (p. 438), I pointed out various methods of controlling the Wehnelt interrupter with a view to preventing the destruction of Crookes' tubes. Since then I ...

THE following is a description of an improved form of Wehnelt-Caldwell interrupter for induction coils, devised by the writer in conjunction with Mr. J. C. M. Stanton and Mr. H. Tyson Wolff.

WASHINGTON (7News) — News over the weekend that a man working as a violence interrupter in DC had been charged with murder came just days before D.C. Councilmember Brooke Pinto made a long ...