Documentation SALAS from 1930s
historic
Documentation SALAS from 1930s
PEDESTRIAN SIGNAL
OLD PHOTOS - PARIS
Société d'Appareils Lumineux Annonciateurs et Signaliseurs (SALAS), headquartered in rue Albouy in Paris, was a manufacturer of light signaling devices that was active during the 1930s. Road traffic are in full development in Paris as well as in other large French cities.
In 1928, SALAS developed a device for displaying different signs (letters, numbers, drawings, etc.), by light projection with a system of punched cards.
16 invention patents will be filed between 1928 and 1937.
In 1934, several patents were filed for the invention of road signaling devices. These are signals for pedestrians, whose inscription "ATTENDEZ" (wait) in red, and "PASSEZ" (go) in green, light up alternately and in synchronization with the red lights intended for cars.
Several Parisian crossroads will be equipped with these pedestrian signals.
The activity of the SALAS company seems to stop at the end of the 1930s.
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