Steam Powered Amphibious Boat, 1804
In 1802 American inventor Oliver Evans developed a high-pressure steam engine that produced more power and weighed less than earlier models.
Architect of the Capitol employees are responsible for the care and preservation of more than 300 works of art, architectural elements, landscape features and more.
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In 1802 American inventor Oliver Evans developed a high-pressure steam engine that produced more power and weighed less than earlier models.
In 1754 the British government asked colonial representatives to meet in Albany, New York, to develop a treaty with Native Americans and plan the defense of the colonies against France.