29 apr 1769 anni - Scottish inventor James Watt is granted a British patent for "A method of lessening the consumption of steam in steam engines" – the separate condenser, a key improvement (first devised by Watt in 1765) and the basis for the Watt steam engine which stimulates the Industrial Revolution
Aggiunto al nastro di tempo:
Data:
29 apr 1769 anni
Adesso
~ 256 years ago