I am a power of forty-five hundred horses, and when I sleep I can raise a hundred and

I am a power of forty-five hundred horses, and when I sleep I can raise a hundred and forty pounds of steam. I can sing as high as four hundred and forty pounds of steam, and can be graduated down to a few pounds of steam. I can be employed in a single ship, or a fleet of ships, and can be employed in a single boat, or a boat of low pressure. I can be employed in a trade of low pressure, or high pressure. I can be employed in a trade of high pressure, and low steam, and can be employed in a trade of high steam, and high pressure. I can be employed in a trade of double power, and can be employed in a trade of half power. I can be employed in a trade of forty-five horses