WATER STAGE REGISTERS 



107 



tu; ijuri.-x (irapiii.- \Yui.-r 8Uf* Rcftater. with 



Wciffkt-drirc* Clot*. 



;il Range, to 10 rwi. Tinu- Srale, 7 daja. 

 HitMUflittti it teal range and time otl, M p*a* Iff. 



(See Record Sheet Illustrated on 



nches long, J' HH hr> \\nlr and 11*4 inches high, which 

 makes it waterproof and dustproof. 



Weight-drm-n (.r.ijihi.- K i:i-iT No. 636, shown in Fi^: 

 is similar to Register No. 633, \\ith ih- <-\t rption of the clock, 

 \\hirli is weight-drum. ih- \% i-lits falling at the rate of 10 



