THREE:In respect to repairing alone, the consideration of having the parts of machinery fitted to standard sizes is often equal to its whole value.
THREE:CHAPTER XVIII. MACHINE COMBINATION.
THREE:"Vine Street," came the staccato reply. "Number 107--there you are. You are wanted Vine Street. . . . There you are--speak up."84
TWO:At last I found an hotel, where I could have a small garret, against which arrangement I had not the slightest objection in the circumstances. The caf downstairs looked rather peculiar, with a great number of looking-glasses, and ladies with powdered faces. These seemed not averse to closer relations with me, but when I pretended not to understand a single word of French, they soon gave it up, and showed no further desire for my friendship. But I could see quite well that they discussed the question whether I was a German officer or a spy?By assuming this or any other well-proved example, and estimating larger or smaller shafts by keeping their diameters as the cube root of the power to be transmitted, the distance between bearings as the diameter, and the speed inverse as the diameter, the reader will find his calculations to agree approximately with the modern practice of our best engineers. This is not mentioned to give proportions for shafts, so much as to call attention to accidental strains, such as winding belts, and to call attention to a marked discrepancy between actual practice and such proportions as would be given by what has been called the measured or determinable strains to which shafts are subjected.