Turnplates were initially made of two or four piece of wood which replicated the track running through them, and circular in form they were the diameter of the wagons used on that wagonway, and swung around a central pivot.
Turnplates were initially made of two. Turnplates were initially made of four piece of wood. This four piece of wood replicated the track. This track was running through them. Turnplates were initially circular in form they were the diameter of the wagons. These wagons were used on that wagonway. Turnplates were initially swung around a central pivot.