\\ \ I I i; 5TAGI ISTKK> I'.l 



I'M Bisters record the stagr e hun.lredths of 



a foot. The frequent-) <*l the record may be varied within 

 certain hmr : the rnpiu rm -articular case*. \ 



\ rin*iMiririi. .ml.-\ Priming Register* print thr 

 record .it ii fifimi minutes, but it i- |MI|/ 



hour. 



m<: REGISTERS 



. \ <. rapine Krgisters give an aocuralr bjdrogttph, or 

 re, -IM, \MIII: tin- i.-laiiMiis between stage and time. 



type (No. 633 see Fig. 48, page 105) makes a 

 :nced size record of stage, whih- th- .th-r (No. 634- MC 

 Fig. 52, page I I - make* a full size natural scale record. The 

 scale of stage should be selected so as to allow the gage height 

 read to the required degree of fineness. This is decided 

 in accordance with tL- pr-, IM.UI required in each particular 

 case aft* n- t)i< |>. rcentage effect on discharp' 



.htl. -n-iit x.m.iiiMiis of gage height. The range of stage b 

 ii-u. ill\ selected so th.it nr.iinary HuctiMtinns of stage are 

 recorded cut in -l\ \%ithin the range of a single turn <>f the 

 . \liM.|. i. Tin-. h..\\.-\. !v a matter of conveniencet 



IHT.IU-I- tin- r\limiiT \\ill roiiliniif t. r.-\..l\ .unl -\tr.i. .r. liji.tr \ 

 llu. tuations of stage will be properly recorded, the ranfr- 

 stage being unlimited. 



The Graplii- K.-.LU-I.-I ix especially adapted 



ill To general stream gaging work. 



To prim. in. -nt installation at power plant**, 

 i To usr in sewage disposal plants. 

 (4) To use in saiui rs. 



To use in reservoirs, 

 i As a portable gage in making special studies. 



Tlu- iiiihu t .ill -trv.tm flow records is based on an 

 . .li-prnil.ihh- record of gage hrij: A.I|T -tage. 



Such records are ch-.irK m.nlr on :\ ruled riNinlinatr 



paper by Gurley (ir.ip- They are 



easily install ,1 .tmi are exact .mil . ..n-t.nit m ih.-ir ..p.-r.i!i..n. 

 li.i\nig been dev-lopr<l t<> meet actual fu-hi rnnditioiu^ and 

 i ininiiiium unmunt f attentinn. Thr rrcrd b a 

 cur\- <->\ering seven day> lime. Tlie rer>rd 



