Helikoptermodelle Von Ponton D'Amécourt , by nadar , 1863 , photo , Pictorialism style , from the series Helicopter Models
A black and white drawing of a windmill.
A black and white drawing of a windmill. The windmill has four blades. The blades are round and oval. There is a thin metal pole that has a light on the bottom. There are wires coming from the bottom of the windmill to the top of the pole.