First Page | Document Content | |
---|---|---|
![]() Date: 2012-09-19 06:10:59Alexander Graham Bell Telegraphy Invention of the telephone Telephone Elisha Gray Antonio Meucci Acoustic telegraphy Reis telephone Carbon microphone Technology Telephony Electronic engineering | Add to Reading List |
![]() | Singing Wires Telephone Collectors International Newsletter yDocID: 1pIJO - View Document |
![]() | PDF DocumentDocID: 1j9fq - View Document |
![]() | Risk and Disruptions: New Software Tools Yossi Sheffi Elisha Gray II Professor of Engineering Systems, MIT Rm. E40-261, MIT Cambridge, MABindiya VakilDocID: 1eZ6s - View Document |
![]() | Who Invented the Telephone?: Lawyers, Patents, and the Judgments of History Christopher Beauchamp Technology and Culture, Volume 51, Number 4, October 2010, ppArticle)DocID: 13XQr - View Document |
![]() | MIT OpenCourseWare http://ocw.mit.eduDevelopment of Inventions and Creative Ideas Spring 2008DocID: 12BvT - View Document |