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| Sprague-Thomson | |
|---|---|
 A Sprague-Thomson train during the Journées du patrimoine in 2006 | |
| In service | 1908–1983 (in work trains until 2011) |
| Replaced | M1 |
| Constructed | 1907–1936 |
| Scrapped | 1950s–1983 |
| Number built | 2700+ |
| Number in service | 0 cars |
| Number preserved | 5 cars (A.475), 4 maintenance tractors |
| Number scrapped | 2700+ |
| Successor | MA 51/52 MP 55 MP 59 MF 67 MP 73 MF 77 |
| Formation | 3, 4 or 5 per trainset |
| Operators | Compagnie du chemin de fer métropolitain de Paris (green, gray and red colors) NS (blue and cream) RATP |
| Lines served | Retired |
| Specifications | |
| Train length | 35–70 m (115–230 ft) (3-5 car trains) |
| Car length | 12–15 m (39–49 ft) |
| Width | 2,400 mm (94 in) |
| Doors | 4 per side |
| Maximum speed | 70 km/h (43 mph) |
| Electric system(s) | 750 V DC Third rail |
Sprague-Thomson was the name of the first rolling stock on the Paris Métro made completely of metal. The first cars entered service in 1908 to replace the mostly wooden M1, and were retired from passenger service in 1983, after 75 years of service, making them the longest-used rolling stock type in the Paris Métro. However, some Sprague-Thomson cars converted into work trains remained in service until 8 March 2011.