Wireless telegraphy

The Electrical World, Vol 32, No. 19. Massie, Walter Wentworth, "Wireless telegraphy and telephony popularly explained". New York, Van Nostrand. 1908

Information Infrastructure的文本  Wireless Telegraphy and Telephony. Collier's New Encyclopedia. 1921.  开放目录项目中的“Wireless” Computer is running slow （页面存档备份，存于互联网档案馆）

EMS、BST、SOI、SOS等）实现可变电容。 George Washington Pierce: Principles of wireless telegraphy （页面存档备份，存于互联网档案馆）, McGraw-Hill book company, New York, 1910, p. 114

会紧密合作以推进NTSC制式的标准化工作。无线电工程师学会在1914年开始了一项专业认证项目。第一位院士是{{le|无线电报通讯|Wireless telegraphy]]的先驱乔纳森·泽纳克（英语：Jonathan Zenneck）（1871–1959）。

magnetici, Zanichelli (1909) A. Righi, La Telegrafia Senza Filo (Wireless Telegraphy) (1901). See also A. Righi, Le nuove vedute sull'intima struttura