Thomas Alva Edison
Numéro d’image : 11828312
| Portrait of the American inventor Thomas Alva Edison (1847-1931) painted by P. Janual in 1917. At the age of 23,Edison invented a stock ticker which he sold to a Wall Street firm for 40,000 dollars. With this,he founded a firm of engineers which turned out inventions such as waxpaper,the mimeograph and several important improvements in telegraphy. In 1876 he set up a research laboratory in Menlo Park,New Jersey. Here he invented the phonograph,improved the telephone &,after thousands of experiments,suceeded in making a practical,long-lived lightbulb. During his lifetime Edison patented nearly 1300 inventions,a record no other inventor has ever approached | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Charmet, Jean-Loup |
| Taille de l’image : | 3257 px × 4157 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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