Important 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.
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.