188 



THE IRRIGATION AGE. 



WATER MEASURING DEVICES 



(Continued from page 170.) 



above datum. This reservoir has a capacity of 

 11,910 cubic feet and it has been carefully cali- 

 brated. Outlet from this reservoir into the stand- 

 ardizing box and through it to the measuring de- 

 vices is through a 15-inch vitrified clay pipe and is 

 controlled by means of a 15-inch Western steel 

 headgate. The reservoir is filled from a near-by 

 well by means of a 4-inch centrifugal pump. 



(2) Concrete standardizing box 30 feet long, 

 9 feet wide, and 6 feet deep (all inside measure- 

 ments) with partition 12.75 feet from the upper end 

 containing an opening 5 feet wide, 1 foot above the 

 bottom of the box, a similar opening 5 feet wide 

 having been left in the lower end of the box. These 

 openings are so equipped that weirs or orifices of 

 desired sizes can be set in them, making it possible 

 to use either a standard weir or a standard orifice 

 in testing the various devices. Water from the 

 reservoir is brought into the box with a downward 

 flow into a slightly suppressed pool and must pass 

 from the pool over a bulkhead 12 inches high and 

 through a baffle before reaching the weir or orifice 

 set in the opening in the partition already referred 

 to. Four pieces of 4-inch channel iron 9 feet long 

 are set directly below the baffle board and when 

 desired furnish a spill with an aggregate length of 

 72 feet for aiding in keeping a constant head over 

 the standard weir or orifice. When planning the 

 installation this was considered a necessary part 

 of the control on account of the water supply from 

 the reservoir being fed to the standardizing box 

 under a diminishing head. The channel-iron spills 

 all discharge through a 6-inch iron pipe into a well 

 on the side of the main box, out of which water 



spilled can be measured through a circular orifice 

 of any necessary size. In the tests thus far made 

 this spilling device has not been used because it 

 has not been found necessary to maintain an exactly 

 constant flow during the tests. The elevation of 

 the bottom of this box is 90.6 feet above datum. 



(3) Concrete main ditch 3 feet wide, 2 feet 

 deep, and 80 feet long, with vertical sides, leading 

 from the lower end of the standardizing box. All 

 devices other than the Azusa, Gage, and Riverside 

 hydrants lead from this main ditch. The elevation 



of the ditch is 90.6 feet above datum and it has a 

 slope of 0.10 foot in 100 feet. 



(4) Twelve-inch concrete pipe leading from 

 the bottom of the standardizing box to the Azusa, 

 Gage, and Riverside hydrants, the flow into this 

 pipe being controlled by a 12-inch K-T valve set 

 flush with the bottom of the standardizing box. 



The next article will discuss measuring dewces for under- 

 ground distribution systems. 



Statement of the ownership, management, circulation, etc., required 

 by the act of August 24. 1918, of THE IRRIGATION AGE, published monthly 

 at Chicago, for April, 1915: 



Kclitor, D. II. Anderson, 30 North Dearborn street, Chicago, 111. 



Managing editor, George J. Scharschug, 30 North Dearborn street, 

 Chicago, 111. 



Business managers, none. 



Publisher, D. H. Anderson, 30 North Dearborn street, Chicago, 111. 



Owners: (If a corporation, give its name and the names and addresses 

 of stockholders holding 1 per cent or more of total amount of stock. 

 If not a corporation, give names and addresses of individual owners.) 

 D. II. Anderson. 30 North Dearborn street, Chicago, 111. 



Known bondholders, mortgagees and other security holders, holding 

 1 per cent or more of total amount of bonds, mortgages or other 

 securities: (If there are none, so state.) None. 



D. H. ANDERSON, 



Publisher. 



Sworn to and subscribed before me this 27th day of March. 1915. 



Michael J. O'Malley, 

 [SEAL] Notary Public. 



(My commission expires Maich 8, 1910.) 



Mr. J. W. 

 Lough, Scott, 

 Kan., writes: 



"MyGO H.P. 

 CharterType 

 "R" Oil Eng- 

 ine burns 

 about 100 

 gallons of oil 

 every 15 hrs., 

 costing 2J^c 

 per gallon 

 laid down in 

 Scott. 



This flow of water is pumped by Mr. Lough's = 

 60 H. P. Charter Oil Engine 



Submit your irrigation problem and we will help figure | 

 I it out for you. 



Operates on Distillate, Kerosene and Gasoline, fuels 1 

 I that are obtainable at all times. 



| CHARTER GAS ENGINE CO. \ 



Inc. 1871 \ 



I Box 39 



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