Double-sided copper signal with common focus (single incandescent lamp) with silver parabolic mirrors. Steady or flashing light.
Candelabra or wall bracket fixing.
This signal was used in the 1930s in road signs (slowdown, prohibited direction, danger...), but also in railway signals.
Octagonal signal made of aluminum with central lens in Holophane glass. Fixed or flashing light, alone or with text and symbol such as prohibited entry, mandatory entry, school, zebra crossing.
Fixing on a straight mast, on a public lighting candelabra, bus trolley candelabra, or on a wall console. Electric source incandescent lamp.
First marketed in 1932.
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