J.S Risdon inventeed it and in December 1872
J.S Risdon
it is the square blade
the windmill was invented in 5000 b.c the windmill was invented in 5000 b.c
The average size of a windmill blade ranges from 35 to 45 meters (115 to 148 feet) in length.
The windmill was invented by 'crazy legs' from the 'rock steady dance crew'.
It's called "blade" or a "sail".
vane - Any of several usually relatively thin, rigid, flat, or sometimes curved surfaces radially mounted along an axis, as a blade in a turbine or a sail on a windmill, that is turned by or used to turn a fluid.
Windmill sails Vane - Any of several usually relatively thin, rigid, flat, or sometimes curved surfaces radially mounted along an axis, as a blade in a turbine or a sail on a windmill, that is turned by or used to turn a fluid.
a metal blade plate to support the fractures of the leg's long bones and the neckbrace.
vane
codes blade blade metal fusion
bob p invented the ax blade in 1999.