WATER STAGE REGISTERS 111 



Gurley Graphic Water Stage Register 



Normal Vertical Range, o i.. 1 i Yitm.il Scale. 



Time Scale, 7 Days, 4 Day*, or 1 Day. 



-nli-*| .\iitfu-i I Pll 



This register may IH? used as a natural scale graphic register 

 of great accuracy for a normal range of one foot. Multiple** 

 thereof are recorded as complete revolutions of the cylind 



lln.it t iimi-li.-.l \\iili ill-- register is 10 inches in diameter. 

 The po\M i ! ill-- \\i-iulit <>f a column of water in inches in 

 . 1 1. 1 in. i. T and 1/100 of a foot high is 5.47 ounces. Thus this 

 float gives great lifting power and corresponding accuracy. 



Ili' natural scale register is designed to meet those require- 

 nu UK \%ln. h .1. -111.111(1 a full size record of stage. As usually 

 Constructed tin- time scale is 1 inch per da\. hut it is possible to 

 arrange special screws to other scales. This register is 

 especially adapted t<> the measurement .f the flow of any liquid 

 over weirs. It will give the height of liquid on the weir with 

 great precision. For this purpose it is easily applied to 



i I ) Sewage disposal works, 

 (2) Sanitary sewers, 



h niMtinn \\Mi-k-. 



( 4) Venturi flumes. 



It i> equally \sell adapted to u>e 



(5) In stream gaging, 



(6) On power canals, 



7) On irrigation canals, 



(8) On navigation canals, 



9) On drainage canal-. 



(10) In reservoirs of all kinds, 



i 1 I i In measuring flow from pumps, well*. 



i I '2 ) As a portahle gage for use in special sttidic* 

 and in\ litigations. 



Its construct inn i> such that no lost motion will develop 

 from continuous service and it can be operated with minimum 

 care and expense. This instrument is a perfect weir gage and 



