ho raised a cry of distress, thinking he had met the Evil One.
This locomotive was exhibited before the Institution of Mechanical Engineers in 1850, 66 years after its construction.
Oliver Evans of Philadelphia obtained a patent in Maryland in 1787 for the exclusive right to make steam-wagons for roads and railways.
The details of the invention are not known to the writer.
His descendants in the third generation are yet inventing.
He is entitled to the credit of first making the double-acof two men to work it. He secured his patent April 4, 1785.
He then went for the first time to see how other people wove, and was astonished at the comparative clumsiness of his own contrivance.
He went on improving, and took out his last patent 1787.
He met with the trouble incident to great inventors, — an ignorant populace and rich pirates.
He spent £ 30,000 in his endeavors to perfect his loom, and in 1808 received a Parliamentary grant of £ 10,000 for his great national services.