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Minting by means of a falling weight (monkey [[Machine press|press]]) intervened between the hand hammers and the screw press in many places. In [[Birmingham]] in particular this system became highly developed and was long in use. In 1553, the French engineer [[Aubin Olivier]] introduced screw presses for striking coins, together with rolls for reducing the cast bars and machines for punching-out round disks from flattened sheets of metal.<ref>Sargent, T. J., & Velde, F. R. (2002). ''The big problem of small change''. Princeton University Press.</ref> 8 to 12 men took over from each other every quarter of an hour to maneuver the arms driving the screw which struck the medals. Later, the rolls were driven by horses, mules or water-power.
Henry II came up against hostility on the part of the coin makers, so the process was largely discarded in 1585 and only used for coins of small value, medals and tokens. The system was reintroduced into France by [[Jean Varin]] in 1640 and the practice of hammering was forbidden in 1645.<ref>
===Industrial minting===
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[[File:1831 coining press (M.A.N. 1873-22-19) 01.jpg|thumb|200px|right|French-made coining press from 1831 ([[National Archaeological Museum of Spain|M.A.N.]], [[Madrid]]).]]
Between 1817 and 1830 the [[Germans|German]] engineer [[Diedrich Uhlhorn|Dietrich "Diedrich" Uhlhorn]] invented the Presse Monétaire, a level coin press which became known as the Uhlhorn Press. His steam driven knuckle-lever press made him internationally famous, and over 500 units had been sold by 1940.<ref>[http://kmoddl.library.cornell.edu/biographies/Uhlhorn/index.php] Kinematic models fpr design, digital library</ref> The advanced construction of the Uhlhorn press proved to be highly satisfactory, and the use of the screw press for general coinage was gradually eliminated.<ref>
This new technology was used at the [[Birmingham Mint]], the largest private mint in the world for much of the 19th century, and was further improved at the Taylor and Challen who began to supply complete press room equipment to national mints around the world, such as [[Sydney Mint]], Australia.<ref>{{cite web|url=http://coinsblog.ws/2012/02/how-coins-are-minted-1920s.html#sthash.7hUmXUlF.dpbs|title=How Coins Are Minted: 1920s}}</ref>
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* [[Perth Mint]] (Australia)
* [[Philadelphia Mint]]
* [[Royal Australian Mint]]<ref>Joint Standing Committee on Public Works, ''Proposed Refurbishment of the Royal Australian Mint Building, Canberra''
* [[Royal Canadian Mint]]
* [[Royal Dutch Mint]]
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*[http://www.wildwinds.com/coins/ric/quietus/i.html Coins of Quietus]
*[http://www.coins.nd.edu/ColCoin/ColCoinIntros/Morris.intro.html Robert Morris]
*[https://web.archive.org/web/20071007150505/http://www.archaeologystudent.com/coinarch/ Ancient Minting Process]
{{DEFAULTSORT:Mint (Coin)}}
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