Spring Patent Sails
Spring patent sails have a spring to enable each sail to be adjusted individually, with the patent sail system allowing all sails to be adjusted without stopping the mill. The system was not a common one.
Read more about this topic: Windmill Sail
Famous quotes containing the words spring, patent and/or sails:
“No, no! Go from me. I have still the flavour,
Soft as spring wind that’s come from birchen bowers.”
—Ezra Pound (1885–1972)
“This is the patent age of new inventions
For killing bodies, and for saving souls,
All propagated with the best intentions.”
—George Gordon Noel Byron (1788–1824)
“Fair stood the wind for France,
When we our sails advance,
Nor now to prove our chance
Longer will tarry;”
—Michael Drayton (1563–1631)