WATER STAGE REGISTERS 



131 



INSTALLATION AND Sill I II U OF WATER 



>T\U-. 



When an autnnahc ( . < !. t i used continuously it is 

 iry to prmiilc ilia \%-ll for the float and an intake pipe 

 to connect ili.- \srll vsiili il (2) a bouse to -li.-h. r tin- 



register, and (3) staff or hook gage* I to permanent 



IMMU-II in il-- in checking the record and maintaining the 



.1 atnm. (See Fig*. 38 and 39). For temporary use as in 

 portable shelter. Figure 65, may be 



Fio. 05. Portable Shelter Installed by U. 8. GeokHrtml Survey on 

 K!iiilt>rliM.k Cn-vk at KoHMinan. N ^ I limort nbow tbe outfit. Inclutlliiff 

 rl-y Cniphk I: larked ready to carry. 



Proper installation is so large an element in tin- -.iti-f actory 

 operation of an automatic water stage register that much care 

 should IN* lakrn ulu-n installing thr ii|tiipmcMit. Results from 

 tli<- best of registers will be impaired by improper installation, 

 uh'-reas a register projx-rK in-t.ill.-.l will give a record whose 

 accuracy l-|n-ml> >oMv on tin- r. linmient of the instrument. 

 Much care in installation is, therefore, essential; and, if the 



