Person
Edward Davy
- Events
- 1
- Episodes
- 3
- Years
- 1837
Every event in Historedia whose sources name Edward Davy, with the role they cite and all of that event’s episodes. This is not a biography, and mentions are grouped by name, so two people with the same name can share this page.
Events and episodes
Samuel Morse files a telegraph caveat
1837Role: Inventor
- Davy Invents Practical Relay
Edward Davy invented the practical metallic make-and-break relay in 1837, which became the relay of choice for telegraph systems.
- Cooke and Wheatstone Develop Needle Telegraph
Cooke and Wheatstone co-developed a needle telegraph system in 1837, using needles on a board to point to letters.
- Morse Files Telegraph Caveat
Samuel Morse filed a caveat for a telegraph patent in Washington, D.C., on September 28, 1837, claiming his recording electric telegraph invention.
- Davy Invents Practical Relay
Sources
- Electrical telegraph Wikipedia, revision of 2026-10-04