Roger-Viollet | 647949 | Conveyor belt of the professor Jean-Paul Langlois (1862-1923), French physiologist. Study of a cyclist. 1921. | © Jacques Boyer / Roger-Viollet
Roger-Viollet | 647949 | Conveyor belt of the professor Jean-Paul Langlois (1862-1923), French physiologist. Study of a cyclist. 1921. | © Jacques Boyer / Roger-Viollet

Conveyor belt of the professor Jean-Paul Langlois (1862-1923), French physiologist. Study of a cyclist. 1921.

Reference
575-11
License
Right Managed
Credit
Jacques Boyer / Roger-Viollet
Date of shooting
1921-01-01
Inventory number
BOY-11540
Restriction(s) of use
Prior permission required for all advertising & promotional use or use on consumer goods & derivative products.