Product Overview
Drinking Bird / Thermodynamic Heat Engine
Bird Version: Chinese craftspeople circa 1910 / Miles V. Sullivan 1945 / Robert T. Plate patent 1947 / Copernicus Toys
Glass, Methylene Chloride, Metal, Plastic, Feather
[H 7" ]
WOW! Thermodynamics & Pressure Differentials! Enjoy This classic physics demonstration in a handy duck shape. This thirsty bird perpetually bobs long as it has a glass of water to dunk in. This is not a toy ages 14+ / Caution: Glass
Note: liquid colour may be blue or red
Drinking birds, also known as insatiable birdies, dunking birds, drinky birds, water birds or dipping birds are heat engines that mimic the motions of a bird drinking from a water source. Source: Wikipedia
The Robert T. Plate patent 1947:
