Offering a dramatic increase in fuel efficiency, James Watt's design became synonymous with steam engines, due in no small part to his business partner, Matthew Boulton.

These were developments that had begun before the Industrial Revolution, but the adoption of James Watt's more efficient steam engine from the 1770s reduced the fuel costs of engines, making mines more profitable.

The first of these was the production of sulphuric acid by the lead chamber process invented by the Englishman John Roebuck ( James Watt's first partner ) in 1746.

A steam engine built to James Watt's patent in 1848 at Freiberg, Saxony | Freiberg in Germany

James Watt | Watt's steam engine patent renewed.

* The British parliament extends James Watt's patent for the steam engine to the year 1800.

** James Watt's 1769 steam engine patent is extended to June 1800 by Act of Parliament and the first engines are built under it.

It was in 1769 when James Watt's engineering at Glasgow led to a stable steam engine and, subsequently, the Industrial Revolution.

Both Watt and Murdoch were probably aware of each other because of their connections with James Boswell, who had made several visits to Watt's workshop at Soho.

There is, however, a dearth of letters from Murdoch to Watt from 1780 until 1797 in the Watt archive, possibly, as argued by John Griffiths, due to an attempt by Watt's son, James Watt Junior, to uphold his father's reputation by removing any evidence of the origin of some of the inventions he patented.

James Watt's later Watt steam engine was an improved version of the Newcomen engine.

James Watt's design became synonymous with steam engines, due in no small part to his business partner, Matthew Boulton.

James Watt was unable to have an accurately bored cylinder for his first steam engine, trying for several years until John Wilkinson invented a suitable boring machine in 1774, boring Boulton & Watt's first commercial engine in 1776.

The brewery was also one of the first to employ a steam engine ( purchasing a sun and planet gear engine from James Watt's company in 1785 ).

He became associated with James Watt when Watt's business partner, John Roebuck, was unable to pay a debt to Boulton, who accepted Roebuck's share of Watt's patent as settlement.

James Watt's steam engine governor is generally considered the first powered feedback system.

After Ronald Reagan was elected President in 1980, FOE led the opposition to Interior secretary James G. Watt's efforts to sell and lease public lands in the West and develop land adjacent to the National Parks.

* James Watt's 1769 steam engine patent is extended to June 1800 by Act of Parliament of Great Britain and the first engines are built under it.

The latent heat of water is large compared with many other liquids, so giving impetus to James Watt's successful attempts to improve the efficiency of the steam engine invented by Thomas Newcomen.

By the time William joined his brother, George had already succeeded in building the second engine using James Watt's design to be built in Scotland.

The idea was evidently suggested by James Watt's condensing steam engine, flame being employed instead of steam to obtain a vacuum.

Contains a chapter about James Watt's parallel motion mechanism

Such a starting date also coincides with James Watt's invention of the steam engine in 1784.

This was developed by James Parker in the 1780s, and finally patented in 1796.

* Steam power – The improved steam engine invented by James Watt and patented in 1775 was at first mainly used to power pumps for pumping water out of mines, but from the 1780s was applied to power other types of machines.

The first known ancestor of multi-shot weapons was created by James Puckle, a London lawyer, who patented what he called " The Puckle Gun " on May 15, 1718.

In 1856, under the direction of Postmaster General James Campbell, Toppan and Carpenter, ( commissioned by the U. S. government to print U. S. postage stamps through the 1850s ) purchased a rotary machine designed to separate stamps, patented in England in 1854 by William and Henry Bemrose, who were printers in Derby, England.

James Puckle patented a revolving chamber gun in 1718.

After having travelled to England and discovered William James ' invention, the French physician Manuel Théodore Guillaumet, from Argentan ( Normandy ), patented in 1838 the oldest known regulator mechanism.

* November 4 – The first cash register is patented by James and John Ritty of Dayton, Ohio.

This cement was an artificial cement similar in properties to the material known as " Roman cement ", which had been patented in 1796 by James Parker.

Aspdin's process was similar to a process patented in 1822 and used since 1811 by James Frost who called his cement " British Cement ".

James Albert Bonsack's cigarette rolling machine, invented in 1880 and patented in 1881.

Abel, Sir James Dewar and Dr W Kellner, who was also on the committee, developed and jointly patented ( Nos 5, 614 and 11, 664 in the names of Abel and Dewar ) in 1889 a new ballistite-like propellant consisting of 58 % nitroglycerine, by weight, 37 % guncotton ( nitrocellulose ) and 5 % petroleum jelly.

* 1764 – James Hargreaves or Thomas Highs invents the spinning jenny ( patented 1770 ).

* 1856 – James Harrison patented an ether liquid-vapour compression refrigeration system and developed the first practical ice-making and refrigeration room for use in the brewing and meat-packing industries of Geelong, Victoria.

This system of achieving rotary motion was patented in his own name by James Watt in October 1781 although Samuel Smiles, biographer of Boulton and Watt, attributes this to Murdoch and there also exists a drawing of the sun and planet system in Murdoch's hand dated August 1781.

An " endless railway wheel " had been patented by the British engineer James Boydell 1846.

American James B. Hill, working in Bowling Green, Wood County, Ohio, patented what he termed " apron traction " on September 24, 1907.

The idea of using vertical boat lifts was proposed by James Fussell, owner of the nearby Mells ironworks, and his particular design, known as a balance lock, was patented in 1798.

Many early suspension bridges were cable-stayed construction, including the 1817 footbridge Dryburgh Bridge, James Dredge's patented Victoria Bridge, Bath ( 1836 ), and the later Albert Bridge ( 1872 ) and Brooklyn Bridge ( 1883 ).

The first patented capo was designed by James Ashborn of Walcottville, Connecticut, USA.

The sport was invented in 1981, and patented in 1987, by James F. Foster, Jr., a former executive of the National Football League and the United States Football League.

Laser disc technology, using a transparent disc, was invented by David Paul Gregg and James Russell in 1958 ( and patented in 1961 and 1990 ).

* 1873: James Horlick, a pharmacist, joined his brother, William, in the U. S. and together they founded the company J & W Horlicks in Chicago to manufacture a patented malted milk drink as an artificial infant food.

The efficiency of the process was further enhanced by the practice of preheating the combustion air ( hot blast ), patented by James Beaumont Neilson in 1828.