Before the end of the winter the machine was nearly perfect.
Its success seemed certain.
Mrs. Greene was very happy over the work.
She was eager that people should know about this wonderful invention.
She could not wait until a patent was secured.
A patent is given by the government.
It is given to prevent others from claiming an invention.
Often it keeps people from manufacturing the article without the permission of the owner.
So Mrs. Green invited a party of gentlemen from all parts of the state to visit her.
These gentlemen were taken to see the machine do its work.