Research Laboratory of Electro-Mechanics / The Institute of Radio Engineers / Columbia University / /
IndustryTerm
electricity / telephone currents / fixed law / radio frequency systems / audion systems / gas action / energy amplifier / energy amplification / telephone circuit / telephone receivers / tuned telephone circuit / telephone current / gas relays / sufficient energy / gas relay / negative electricity / telephone current results / cascade systems / energy / /
Organization
Columbia University / Institute of Radio Engineers / /