Swing Stage Ladder Bracket
This is used on the upper end of two extension ladders in place of cornice hooks, where the building is not too high. The upper blocks are hooked on as shown in the picture and the stage platform swings between the ladders and the wall.
Keywordsswing stage ladder bracket
International Association of Master House Painters and Decorators of the United States and Canada Painting and Decorating, Working Methods38