Portrait of James Watt,Scottish engineer
Numéro d’image : 11831537
| James Watt. James Watt (1736-1819),Scottish engineer and inventor. Watt made numerous practical improvements to the steam engine of his day. By 1790 the superior Watt steam engine had completely replaced the older Newcomen variety. His inventions included the double acting engine where the piston is made to both push & pull (1782); the centrifugal governor,a device that controlled a process by means of variations in the process itself (1788); & the pressure gauge (1790). Watt also coined the term "horsepower" to describe a unit of energy. Watt's innovations,coupled with the business acumen of his partner Matthew Boulton,made him financially successful | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library |
| Taille de l’image : | 3778 px × 5005 px |
| Model Release : | Le droit n'est pas encore disponible. Merci de nous contacter avant utilisation. |
| Property Release : | Non requis |
| Restrictions : | - |
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