JAMES WATT (1736/1819) Scottish inventor, mechanical engineer, and chemist who improved on Thomas Newcomen's 1712 Newcomen steam engine with his Watt steam engine in 1781. 18th century. ENGRAVING.
JAMES WATT (1736/1819) Scottish inventor, mechanical engineer, and chemist who improved on Thomas Newcomen's 1712 Newcomen steam engine with his Watt steam engine in 1781. 18th century. ENGRAVING.