Thomas Savery, an English military engineer, invented the first practical steam engine in 1698.

Thomas Savery's steam engine was primarily used for pumping water from mines, which was a crucial task during the Industrial Revolution.

Thomas Newcomen, an English inventor, developed the atmospheric engine in 1712, which introduced the concept of separate condensation, significantly improving the efficiency of the steam engine.

Thomas Newcomen's atmospheric engine was primarily used for pumping water from mines, as it was more efficient than Thomas Savery's engine.

James Watt, a Scottish engineer, made significant contributions to the development of the steam engine, including the invention of the separate condenser and the double-acting engine.

James Watt's separate condenser significantly increased the efficiency of the steam engine by allowing the steam to condense in a separate chamber, reducing heat loss and improving the overall performance of the engine.

James Watt's double-acting engine was a major improvement over previous designs as it could operate in both directions, providing continuous power and significantly increasing the efficiency of the engine.

James Watt's invention of the rotary motion mechanism allowed the steam engine to be used to power factories and mills by converting the reciprocating motion of the engine into rotary motion, which could be used to drive machinery.

George Stephenson, an English engineer, is credited with the invention of the first steam locomotive, the Locomotion No. 1, which successfully hauled a train in 1825.

George Stephenson's steam locomotive revolutionized transportation, increased industrial productivity, and improved communication by enabling the efficient movement of goods and people, transforming the way societies functioned.

Richard Trevithick's invention of the high-pressure steam engine significantly improved the performance of steam locomotives by allowing them to operate at higher pressures, resulting in increased power and efficiency.

Steam engines were primarily used in the 19th century to power factories, propel ships, and provide motive power for rail transportation, revolutionizing industries and transforming societies.

The development of the steam engine was a pivotal factor in the Industrial Revolution as it enabled mass production, improved transportation, and led to the rise of factories, transforming economies and societies.

The invention of the diesel engine, particularly by Rudolf Diesel in the late 19th century, marked the transition from steam engines to internal combustion engines, which became widely used in various applications, including transportation and power generation.

Internal combustion engines offered several advantages over steam engines, including higher efficiency, compact size, and lighter weight, making them more suitable for various applications, particularly in transportation.