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The Log Vol. 2 No. 3

items 3 of 4 items
  • wcu_canton-203.jp2
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  • What Is A "Horse Power?" In May issue of "Cranes Valve World" we find an article entitled the "Relation of Horse power to Kilowatt." It is not our intention to reprint the entire article as it would probably be of especial interest to the steam and electrical departments only, but we feel that, the following paragraphs, which we clipped, may interest a vast majority of our readers. "The term "horsepower" as a measure of the activity of machinery was introduced by Thomas Savery, the inventor of an early typ- of steam engine. The earliest application of the steam engine was in the pumping of water from mines, work which had formerly been done by horses. Savery in his Miners' Friend, page 29. in the year 1702, says that an engine which will raise as much water as 2 horses working continuously in a given number of hours will do the work or labor of about 10 horses, since relays of horses must be used to keep the work going continous- ]y, aunh an engine, then, he called a 10-horsepower engine. "James Watt, who is generally known as the inventor of the : steam engine, adopted the term "horsepower" as a unit for expressing the power of his steam engine and defined its value in gravitational units; viz., foot-pounds per minute. The magnitude of Watt's horsepower was. iiowever, six or eight times as great asSavery's. The value A'as derived from experiments made under the direction of WTatt and Boulton. his business partner mattMiia eight Irom the bottom ol a deep well j by pulling horizon-tally on a rope j. passing over a pulley. It was fo and that a horse could r weight of 100 pounds * ' " in; ax. the rate of 2.5 h>ur. This is equivalent to22,900 | foot-pounds per minute. Watt added 50 per cent to this value, giving 33,000 foot-pounds per .minute, or 550 foot-pound* pe second. The addition of 50 rw>, , , - nt was an allowance made for ion. so that a purchaser of I -* *--'- —-=-' -%bt navel- TODAY (By Douglas Malloch) Sure, this world is full of trouble— I ain't said it ain't. Lord! I've had enough an' double Reason for complaint. Rain an' storm have come to fret me, Skies are often grey; Thorns an' brambles have beset me On the road, but say, Ain't it fine to-day! What's the use of always weepin', Makin' trouble last? What's the use of always keepin' Thinkin' of the past? Each must have his tribulation, Water wrth his wine. Life it ain't no celebration, Trouble? I've had mine- But to-day is fine. It's to-day that I am livin', Not a month ago, Havin', losin', takin', givin', As time wills it so. Yesterday a cloud of sorrow Fell across the way; It may rain again to-morrow, It may rain —but, say, Ain't it fine today! —Glasgow Weekly News. Average Life of Belts REPLACED BY NEW ONES IN DEPARTMENTS at work, andteprofeefclyjia **«* «*»• faroe se working six ' fcwiee the tame, or one-half horse power. It is pi , moreover it much more. „_ „ rads one foot "As a matter of f? in htM * second, pr two feet m a often exerts many tit j —j _^ qjj Therefore [power. The av-**«« A First-Aid Story One night recently "Shorty" knowledge of anatomy, his unfortunate patient has pled finger next to the big tee on one of his feet. SAFETY FIRST Suggestions Injure No One "If a suggestion was adopted doing away with one man's work, would he be laid off?" That question was asked of the Management a few days ago by an employee. Possibly you have had the same idea in your own mind. In the reply to the question, the management made it plain that a man who can suggest a method of saving lafor is too valuable to lose, and that not only will he receive an award for his suggestion, but he will profit tar more indirectly. Just such suggestions, out the authors in line for advancement. Only a little while ago a suggestion of this sort was received. The work done by the author and one other employee was rendered unnecessary. The maker of the suggestion received a good sized reward and he, together with the other employee whose work feted to fee in excess ef the j liariy, ahorse pewer is able tolsary to climb at the rate of only 10ds? rer of an average horse for raise twice that weight one foot two feet a second to exert a Between Two HH m. nnownw^^^ horse-{ahorse power. j horse power does not repress i» ex-1 who weighs 1371-2 pounds runsj
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Object’s are ‘parent’ level descriptions to ‘children’ items, (e.g. a book with pages).