Cyrille duquet biography of rory
Invention of the telephone
Technical and legal issues surrounding the development of the modern telephone
For broader coverage of this topic, see History of the telephone.
The invention of the telephone was the culmination of work done by more than one individual, and led to an array of lawsuits relating to the patent claims of several individuals and numerous companies. Notable people included in this were Antonio Meucci, Philipp Reis, Elisha Gray and Alexander Graham Bell.
Early development
The concept of the telephone dates back to the string telephone or lover's telephone that has been known for centuries, comprising two diaphragms connected by a taut string or wire. Sound waves are carried as mechanical vibrations along the string or wire from one diaphragm to the other. The classic example is the tin can telephone, a children's toy made by connecting the two ends of a string to the bottoms of two metal cans, paper cups or similar items. The essential idea of this toy was that a diaphragm can collect voice sounds for reproduction at a distance. One precursor to the development of the electromagnetic telephone originated in 1833 when Carl Friedrich Gauss and Wilhelm Eduard Weber invented an electromagnetic device for the transmission of telegraphic signals at the University of Göttingen, in Lower Saxony, helping to create the fundamental basis for the technology that was later used in similar telecommunication devices. Gauss's and Weber's invention is purported to be the world's first electromagnetic telegraph.
Charles Grafton Page
In 1836-8, American Charles Grafton Page passed an electric current through a coil of wire placed between the poles of a horseshoe magnet. He observed that connecting and disconnecting the current caused a ringing sound in the magnet. He called this effect "galvanic music". A similar phenomenon was reported by British inventor Edward Davy in 1837-8 and it was also pointed out by William Chapp
The Quebec chronicle, samedi 17 juin 1922
Sous un titre qui a varié (Morning Chronicle, Quebec Morning Chronicle, Quebec Chronicle), un journal de langue anglaise publié à Québec qui met notamment l'accent sur l'actualité commerciale et maritime.
1922-6-17
samedi 17 juin 1922
Bibliothèque et Archives nationales du Québec
Quebec :Chronicle Printing Company,1898-1924
samedi 17 juin 1922, Sous un titre qui a varié (Morning Chronicle, Quebec Morning Chronicle, Quebec Chronicle), un journal de langue anglaise publié à Québec qui met notamment l'accent sur l'actualité commerciale et maritime.Quebec :Chronicle Printing Company,1898-1924 Carner, Gary. "Acknowledgments". Pepper Adams: Saxophone Trailblazer, edited by Chick Corea, Seattle, WA: SUNY Press, 2023, pp. 197-200. https://doi.org/10.1515/9781438494340-006 Carner, G. (2023). Acknowledgments. In C. Corea (Ed.), Pepper Adams: Saxophone Trailblazer (pp. 197-200). Seattle, WA: SUNY Press. https://doi.org/10.1515/9781438494340-006 Carner, G. 2023. Acknowledgments. In: Corea, C. ed. Pepper Adams: Saxophone Trailblazer. Seattle, WA: SUNY Press, pp. 197-200. https://doi.org/10.1515/9781438494340-006 Carner, Gary. "Acknowledgments" In Pepper Adams: Saxophone Trailblazer edited by Chick Corea, 197-200. Seattle, WA: SUNY Press, 2023. https://doi.org/10.1515/9781438494340-006 Carner G. Acknowledgments. In: Corea C (ed.) Pepper Adams: Saxophone Trailblazer. Seattle, WA: SUNY Press; 2023. p.197-200. https://doi.org/10.1515/9781438494340-006 Copied to clipboard
[" Weather Forecast: Cool With Occasional Rain ESTABLISHED 1764.OR.DEROME WAS QUESTIONED BY JUDGE IN DELORME TRIAL Evidence Turned Upon Question Of Sanity Of Ex-Priest At Yesterday's Session\u2014Juror Fainted In Box During The Morning\u2014Delorme \u201cRented His Houses Too Well\u201d Declared Doctor-Witness Montreal, June 16\u2014That Adelard Delornie, the ex-prisst who is now standing trial on the charge of having murdered his half brother, Raoul, the 24-year-old Ottawa College student whose dead body was found lying in the snow in & northern eubuurb of thés city on January 6 last, had \u201crented his houses too well\u201d and as a conse quence the street in which they were located \u201cdid not have & very name,\u201d was the evidence of Dr.Handfield in the Court of King\u2019s Bench here this afternoon, who was called just previous to the adjournment of the case until Monday next.Dr.Handfleld stated that he was a neighbor of Delorme's and that one conversation he had had with him had led htm to doubt Delorme'a aanity.The evidence dn the Delorme trisd today turned upon the question of sanity of the ex-priest, To thin end Provincial Autopsiet Dr.Derome was closely questiomed by Mr.Justice Monet and Crown Prosecutor Walsh, Dr.Derome œug- gested that opinion of Delorme's mental condition should be based on \u2 Acknowledgments