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

Wooden piece of scaffolding, subsquare structure, reinforced at corners with curved strips of metal. At top is a wooden bar which overhangs the frame slightly at each side. At bottom are two wing nuts protruding either side of a screw. Part of track work for model Kearney type high speed monorail cars.