O que estão dizendo - Escrever uma resenha
Não encontramos nenhuma resenha nos lugares comuns.
Outras edições - Visualizar todos
Wireless Telegraphy: Its History, Theory and Practice (Classic Reprint)
A. Frederick Collins
Não há visualização disponível - 2018
action adjusted aerial wire alternating current amperes antenna apparatus armature arranged battery Branly Braun break capacity charge closed closed-circuit coefficients coherer condenser conductor plugs connected in series consists core curve detector diameter dielectric direct current disk disruptive discharge distance earth effect elec electric oscillations electric resonance electric waves electro-magnetic electrolytic employed energy ether ether waves Fessenden filings frequency galvanometer glass Hertz high-potential inches increased induction coil inductor insulated internal circuit interruptor Leyden jar Lodge magnetic Marconi mercury metal method Morse register non-syntonized number of turns obtained open-circuit open-circuit oscillator operated opposite oscillator balls oscillator system plate polarized potential primary circuit primary coil produced radiator receptor relay resistance resonator system secondary coil shown in Fig siphon recorder Slaby-Arco spark spark-gap surface syntonized tapper telephone receiver terminals theory tion trans transformer transmitter tube tuned turns of wire vertical wire vibrations wave length wireless telegraphy