The Jean-Bart was a French automobile manufactured in 1907 only. Successor to the Prosper-Lambert, the company built shaft-driven cars, single-cylinders of 9 hp and fours of 16 hp and 40 hp.
References
Burgess-Wise, David (2000). The New Illustrated Encyclopedia of Automobiles. BookSales Inc; Rev Upd edition (May 2000). p. 559. ISBN0-7858-1106-0.