A rubber ring with a unique identification number was attached to the bird's leg before the race. The number was recorded and the clock started. When the bird returned, the fancier would remove the ring and slot it into the clock, the time it was slotted into the clock would be recorded. Height - 23 cm Width - 23 cm Depth - 13 cm  

Height - 35 cm Width - 53 cm Depth - 23 cm

Height: 76 cm Width: 128 cm There are signs of wear

Height: 37 cm Width: 39 cm

Height: 79 cm Width: 94 cm Depth: 28 cm

Height: 46 cm Diameter: 32 cm