The Mechanic's Text-book and Engineer's Practical Guide ...

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Phillips, Sampson, 1855 - Mechanical engineering - 403 pages
 

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Page 205 - ... depend on the will of the moment, and which can be carried on so far mechanically that an average quantum only of health, spirits, and intellectual exertion are requisite to its faithful discharge.
Page 101 - Multiply the square of the diameter of the cylinder in inches by the velocity of the piston in feet per minute, and -divide the product by 6,000 ; the quotient is the number of nominal horses power.
Page 197 - ... the most praiseworthy and successful cultivation of useful knowledge on the part of an individual without education, busily employed in mechanical industry. I have the pleasure to be acquainted, in one of the neighboring towns, with a person who was brought up to the trade of a leather-dresser, and has all his life worked, and still works at this business.* He has devoted his leisure hours, and a portion of his honorable earnings, to the cultivation of useful and elegant learning.
Page 384 - It is thus that the general rules of morality are formed. They are ultimately founded upon experience of what, in particular instances, our moral faculties, our natural sense of merit and propriety, approve, or disapprove of.
Page 208 - ... like a restorative atmosphere, or soft music which moulds a dream without becoming its object. If facts are required to prove the possibility of combining weighty performances in literature with full and independent employment, the works of Cicero and Xenophon among the ancients ; of Sir Thomas More, Bacon, Baxter, or to refer at once to later and contemporary instances, Darwin and Roscoe, are at once decisive of the question.
Page 207 - ... appear as a chain of flowers, capable of linking, your feelings as well as thoughts to events and characters past or to come; not a chain of iron which binds you down to think of the future and the remote by recalling the claims and feelings of the peremptory present. But why should I say retire? The habits of active life and daily intercourse with the...
Page 323 - ... to think, as well as to speak, accurately. By putting our sentiments into words, we always conceive them more distinctly. Every one who has the slightest acquaintance with composition knows, that when he expresses himself ill on any subject, when his arrangement is loose, and his sentences become...
Page 311 - I hope you taste and love those authors particularly. You cannot read them too much: they are not only the two greatest poets, but they contain the finest lessons for your age to imbibe : lessons of honor, courage, disinterestedness, love of truth, command of temper, gentleness of behaviour, humanity, and in one word, virtue in its true signification.
Page 272 - ... and the reason is because people are accustomed to the right way of teaching that language, which is by talking it into children in constant conversation, and not by grammatical rules. The Latin tongue would easily be taught the same way if his tutor, being constantly with him, would talk nothing else to him and make him answer still in the same language.
Page 30 - From half the sum of the three sides, subtract each side severally; multiply the half sum, and the three remainders together, and the square root of the product will be the area required. Example. — Required the area of a triangle, whose sides are 50, 40, and 30 feet. 50 + 40+30 ; — 60, half the sum of the three sides.

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