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A. By means of an instrument called the indicator, which is a miniature cylinder and piston attached to the cylinder cover of the main engine, and which indicates, by the pressure exerted on a spring, the amount of pressure or vacuum existing within the cylinder.
It is also obvious that since some acid or alkali is required to react with the indicator itself, the amount of indicator used should be uniform and not excessive. Usually a few drops of solution will suffice. The foregoing statements with respect to the behavior of indicators present the subject in its simplest terms.
His face would be the indicator, and, beneath her first smile of welcome, he could always distinguish the searching glance of anxiety; under her warm kiss he could feel the words: "Poor boy! I am sorry; you have tried so hard!"
Q. What is the amount of power necessary to drive cotton mills? A. An indicator or actual horse power will drive 305 hand mule spindles, with proportion of preparing machinery for the same; or 230 self-acting mule spindles with preparation; or 104 throstle spindles with preparation; or 10-1/2 power looms with common sizing.
Human nature seems to run in this way, seems to be governed by a great paradoxical law which says, that whenever a man self-centred, thinking of, living for and in himself, is very desirous for place, for preferment, for honor, the very fact of his being thus is of itself a sufficient indicator that he is too small to have them, and mankind refuses to accord them.
No. Nor in gold bricks. Nor green good. No." The Colonel raised his fist and brought it down on the butcher's counter so hard that the meat scales danced, and the indicator jerked nervously across the face of the dial, weighing a half pound of anger. The butcher leaned back against the shopping block, and gently caressed the handle of his cleaver. He pointed to the door with his other hand.
The finger of the speed indicator whirled and marked forty miles an hour ere the flying machine left the steel plank, and shot into the air with the fearful force of the compressed air behind it. Both Mark and Jack were well used to guiding aeroplanes and other air machines. But this start from the ground was much different from the easy, swooping flight of an airship as usually begun.
This reacts with the oxalic acid, setting free carbonic acid, which, in turn, forms sodium bicarbonate with the remaining carbonate: H CO + Na CO > 2HNaCO . If, however, the solution is heated to boiling, the bicarbonate loses carbon dioxide and water, and reverts to sodium carbonate, which causes the indicator to become again pink: 2HNaCO > H O + CO + Na CO .
And the saying is not without reason; for when the name happens to be the true one, being proved in its application, it becomes no unimportant indicator as to the particular offices for which the thing named was designed.
So just as the clocks were striking the midnight hour Rob mounted skyward and turned the indicator of the traveling machine to the east, intending to make the city of Vienna his next stop.
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