152 



THE IRRIGATION AGE. 



WEATHER FORECASTS. 



Almanac predictions can be nothing but conjecture, the 

 earth's subjection -to many unknowable and undeterminable 

 forces rendering such calculations, impossible. It is practicable, 

 however, by the following rules, drawn from actual results 

 during very many years and applied with due regard to the sub- 

 jects of solar and lunar attraction with reference to this 

 'planet, to foresee the kind of weather most likely to follow the 

 moon's change of phase. 



PROGNOSTICATIONS. 



OBSERVATIONS. i. The nearer the moon's change, first quarter, full and last 

 uarter to midnight, the fairer will be the weather during the next seven days. 

 a. The space for this calculation occupies from ten at nisht till two next morning 



3. The nearer to wifft/ay or noon the phase of the moon happens, the,, more foul 

 or wet weather may be expected during the next seven days 



4. The space for this calculation occupies from ten in the forenoon" tp*wo in the 

 afternoon. These observations refer principally to summer, though Ihe'y affect 

 spring and autumn in the same ratio. 



5. The moon's change, first quarter, full and' last quarter happerirrtfe during six 

 of the afternoon hour-, /'. f., from four to ten, may be followed by fair wfalher, but 

 this is mostly dependent on the wind as is noted in the table. 



6. Though the weather, from a variety of irregular causes. is more uncertain in the 

 Matter part of autumn, the whole of winter ?nd the beginning of spring, .yet. in the 

 main, the above observations will apply to these periods also ' . , 



7. To prognosticate correctly, especially 'in those cases where the iviJ is con- 

 cerned, the observer sho'ild be within sight of a want where the four cjrdiual 

 points of the compass are correctly placed 



Oregon Irrigator 



The brightest, snappiest, cleverest weekly irrigation 

 paper in the country. Published in the best district 

 in the Northwest, and in the town which every irri- 

 gator is talking about. 



SAMPLE COPY FREE 



The Irriga.tor (Weekly), per year. 

 Irrigation Age (Monthly), per year. 



THE TWO ONE YEAR, - - 



- $1.50 



- - 1.00 



$2.5O 



$1.75 



Those who are already taking the AGE can send in 

 this ad and 75 cents and receive THE IRRIGATOR for 

 one year. This offer good for only a short 

 time. Send subscription to AGE office. 

 For sample copies, address 



THE IRRIGATOR, 



Irrigon, Oregon 



POWER REQUIRED TO RAISE WATER: To find the Theoretical Horse Power to raise 

 water, multiply the Gallons pumped per Minute by the Head in feet and divide the product by 

 4000 and the result will t the Theoretical Power required Double the Theoretical Power should 

 be allowed to do the work, although the belter grade* of Steam and Power Pumps use much 

 lessthan tins 



DUTY OF PUMPING ENGINES is a ratio of the work done by the Pump to the Steam or 

 Fuel consumed, and is usually expressed in millions of foot-pounds per 1000 pounds of steam used 



THE PIPING OF PUMPS is a much more important matter than is commonly thought 



SUCTION PIPES should be short and straight as possible, of ample sie and arranged to 

 have no "pockets" where air can collect, and must be made up absolutely tir-tight. Long Suc- 



O1SCHAROE PIPES should be as large and as straight as possible, to avoid loss of power in 

 overcoming the friction. The friction through one common Elbow is *qual to that through 50 

 feet of straight pipe. 



Complete lame* for Suction and Discharge Pipe losses are on the pages following. See page 



formation concerning Centrifugal pumps. 



A MINER'S INCH of water is the volume flowing per minute through a square inch of open- 

 ing under a fixed head usually 6 inches, and varies from 10 to 12 gallons per minute. The only 



water flowing through an opening one inch square under a four-inch pressure or head of water 

 above the center of opening. 



TO FIND THE SPEED OR SIZE OF PULLEYS: 



To find the Diameter of the driving pulley: Multiply tue diameter of the driven pulley by its 

 speed and divide the product bv the speed of the dri " 



To find the Speed of the J : 

 speed and divide the product _. -- ,- j- 



To find the Diameter of the'driven pulley: Multiply the diameter of the driving pulley by its 

 speed and divide the product by the speed ot the driven pulley 



To find the Speed of the driven pulley: Multiply the diameter of the driving pulley by its 

 speed and divide the product by the diameter of the driven pulley. 



SPEED OF GEARING is estimated in same way. substituting the number of gtar teeth for 

 "diameter " 



i me driving puney: nuinpiv trie diameter 01 tne driven pulley riy in 

 ict bv the speed of the. driving puirey. 



he chiving pulley: Multiply the diameter of the driven pulley by it; 

 ict by the diameter of the driving pulley. 



THE: 



GREAT 



THE HEW CENTURY 

 GRAIN SEPARATOR 

 and low down; re- 

 quires less power; saves more grain and 

 cleans better than 

 any other. 



J AULTMAN&TAY- 

 ' LOR TRACTION 

 ENGINES for Thresh- 

 ing:, Ploughing or Road Work, lead the 

 World. V * MATCHLESS CLO- 



^ VER and ALFAL- 

 FA HULLER, A great 

 money maker and 

 saver Has no equal. 



4AULTMAH & TAY- 

 LOR SAWMILLS are 

 . ...= catalogue cheerfully fur- Guaranteed to saw trne 



nished to anyone interested by and marketable lumber 



THE AULTMAN & TAYLOR MACHINERY CO. 



MANSFIELD, O. 



BONDS 



We purchase entire issues of First 

 Mortgage Corporation Bonds. 



H. C. BARROLL fSL COMPANY 

 BANKERS 



First National Bank Building Chicago 



We Ma.n\ifa.ct\ire 

 TH E O N L Y 



Well and 



Prospecting 



Machinery 



Suited to Your Wants 



Write for Csvttvlogue of 

 "LIGHTNING WELL MACHINERY." 

 AMERICAN WELL WORKS, 



Can Show Core Throuah all Hard Materials 

 Aurora, 111.. 



Also Steam and Power 



P vi m p i n g 

 Machinery 

 Compressors 



Gasoline Engines 



We want every Dealer who handles 

 Well or Pumping Machinery or Appli- 

 ances to correspond with us. 



Chicago. 111.. Dallas. Tex. 



