Wooden Scaffolding; Part of Track Work for Model Kearney Type High Speed Monorail Cars

Subsquare frame with chunky top bar. Curved metal strips reinforce top corners; bottom corners are reinforced by large scalene-triangular pieces of wood. Two wing nuts at bottom. Additional mounted bar at top, which projects either side of the frame, and creates a smaller frame. Part of track work for model Kearney type high speed monorail cars.