Advertising Device.
Description:
Patent for a new and improved advertising sign. This design "consist[s] in the fixed staff or upright having pulley, bent rotary vane having the opening, and adapted for the display of advertisements, inside [the] bent rotary vane, and the governor adapted to regulate automatically the speed at which the vanes are to revolve" (lines 68-80).
Date:
February 19, 1884
Creator:
Carly, John Wesly