"--With General Austin," I continued, "--and with Lieutenant Ferry?"
"I thought, perhaps," Bruce began, "that my name----"
This, again, reaches the proposition that power is heat, and heat is power, the two being convertible, and, according to modern science, indestructible; so that power, when used, must give off its mechanical equivalent of heat, or heat, when utilised, develop its equivalent in power. If the whole amount of heat represented in the fuel used by a steam-engine could be applied, the effect would be, as before stated, from ten to fifteen times as great as it is in actual practice, from which it must be inferred that a steam-engine is a very imperfect machine for utilising heat. This great loss arises from various causes, among which is that the heat cannot be directly nor fully communicated to the water. To store up and retain the water after it is expanded into steam, a strong vessel, called a boiler, is required, and all the heat that is imparted to the water has to pass through the plates of this boiler, which stand as a wall between the heat and its work.
This difference between dead and elastic strokes is so important that it has served to keep hand-moved valves in use in many cases where much could be gained by employing automatic acting hammers.
“Somebody’s knocking,” Dick gasped.
“Mr. Everdail could fly the crate if he was here—he’s an old war pilot,” said Larsen, but they did not wait to locate him. As soon as the engine was warmed, the instruments checked, in spite of the delay at cost of precious moments, Larry donned the Gossport helmet, Jeff got in behind him, Sandy and Dick, without waiting for invitations, snapped their belts—the engine roared—and they were off!
It would do no harm, Sandy thought, to let Jeff know that his fellow conspirator, if that was Mr. Whiteside’s real standing, was not playing fair. “When people who may be wicked turn against each other, we learn a lot,” Sandy decided.
"But we must know where Marvor stays."
"There—I knew as there wur reason in you, Pete. You w?an't go and leave your f?ather lik the rest, all fur a hemmed Methody."
Quite early in the war David and William walked home in silence after seeing a troop-train off from Rye, then suddenly, when they came to Odiam, shook hands.
"Oh Stephen, my son, my first-born—thy mother kneels to thee. Lay aside that lance and hearken to the words of her who bore thee, and nourished thee. Oh, bring not sorrow and ruin on thyself and her! What would be the bitterness of my dying moments if my son lived not to lay me beside his father?—if thy Margaret was left to mourn in lowly widowhood—and, perhaps, to fall beneath the base arts of Calverley! Oh, my son, my son, by the soul of thy dead father, and by the blessing of thy mother, resist not!—Hark! they come—they come! Haste, Stephen—Give me the weapon."
On the second evening after, when Calverley was in his private sitting room, the door was thrown suddenly open.