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Updated: May 19, 2025
Now, as he stood before the littered table, he glanced out at the sun. The morning was advancing all too rapidly. His eyes drifted across to his wife. She was still reading. A light sigh escaped him. He felt he should be out on his claim. However, without further thought he took the boiler of hot water off the stove and began to wash up. It was the clatter of the plates that made Jessie look up.
Or, again, the heat set free under the locomotive boiler is converted by machinery into the motion of the locomotive. By still different mechanism it may be converted into electric force. All forms of motion are readily convertible into each other, and each form in which energy appears is only a phase of the total energy of nature.
There being nothing that we could do for the steamer, which would have to be `written off as a loss' by the underwriters at Lloyd's, the captain gave the signal for the cutter to return to our ship; and then, making a good offing, so as to put the Arabs off their guard, we banked our fires, except under one boiler, keeping the screw just revolving so as to maintain our position abreast of Binna, well out of sight of the land.
As then the diameter or square root of the area increases in the same ratio as the length, the square root of the area divided by the length ought to be a constant quantity in each type of boiler, in order that the same proportions of flue may be retained; and in wagon boilers without an internal flue, the height in inches of the flue encircling the boiler divided by the length of the flue in feet will be 1 very nearly.
There will be plenty in the boiler." By the time I returned with the hot water, she had taken off the child's covering, and was sitting with it, wrapped in a blanket, before the fire. The little thing was cold as a stone, and now silent and motionless. We had found it just in time. Ethelwyn ordered me about as if I had been a nursemaid. I poured the hot water into a footbath.
The steam sang into the cylinders, the huge machine trembling like a living thing under the hand of a master. Slowly and by almost imperceptible degrees the life of the pent-up boiler power crept into the pistons and out through the connecting rods to the wheels.
We had one more arrow in our quiver: a Vicksburg packet, the 'Gold Dust, was to leave at 5 P.M. We took passage in her for Memphis, and gave up the idea of stopping off here and there, as being impracticable. She was neat, clean, and comfortable. We camped on the boiler deck, and bought some cheap literature to kill time with.
In the house on the brae was a great kettle, called the boiler, that was said to be fifty years old in the days of Hendry's grandfather, of whom nothing more is known. Jess's chair, which had carved arms and a seat stuffed with rags, had been Snecky Hobart's father's before it was hers, and old Snecky bought it at a roup in the Tenements.
It is highly expedient, therefore, in planning boilers for any particular engine, to consider exclusively the actual power required to be produced, and to apportion the capabilities of the boiler accordingly.
Truly, considered in connection with this fundamental error, temperatures of engine and boiler rooms, and states of barometer, will not count for much with engineers.
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