Hisdates•ComImportant Inventions In The Year 1840
Saturday, 30 September 2023
Scottish physicist James Prescott Joule outlines the theory of the conservation of energy.
Scotsman Alexander Bain invents a primitive fax machine based on chemical technology.
0307 Apr27 0919 0476 Aug28 1836
1135 1941 0660 Jan05 1084
Jul14 1690 Oct23 Oct25 1283
1168 Apr20 Sep18 1139 0871
0961 Apr15 Jan23 0648 Aug14
Mar21 1218 Aug08 Dec21 Aug24