29
/
en
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
1430781
109934
2
Create
Public Timelines
Library
FAQ
For education
Cabinet
For educational institutions
For teachers
For students/pupils
jun 19, 1829 - Charles Wheatstone patentoi symphonium-soittimen variaatioineen. Lontoo, Englanti.
Added to timeline:
21 Dec 2021
0
0
1778
Harmonikan aikajana
Date:
jun 19, 1829
Now
~ 194 years ago