Lee de Forest : king of radio, television, and film /

by Adams, Michael H, Adams, Michael H
Published 2012

Heinz Nixdorf : eine deutsche Karriere /

by Kemper, Klaus
Published 1987

Ten founding fathers of the electrical science

by Dibner, Bern, Dibner, Bern
Published 1954

The telephone gambit : chasing Alexander Graham Bell's secret /

by Shulman, Seth, Shulman, Seth, Shulman, Seth
Published 2008