25 KVA 

 GENERATOR 



CONTROL 

 CIRCUITS 



VARIAC 



EAST BANK 



100 V.D.C. 

 =l\ POWER 

 SUPPLY 



2 1 STEP 

 DOWN 

 TRANS. 



- PROPOSED DOWN 

 STREAM MECHANICAL 

 WEIR 



ROW- A" 

 ROW-'B - 

 ROW-X* 



SHIELD 

 SCREEN 



OCQUEOC 

 MECHANICAL 

 WEIR - 



LOW VOLTAGE 

 GRADIENT 

 AREA 



WEST BANK 



TOLCRANCU 



FRACTIONS — £ .OIO- 

 OSCIMALS — + .OOO " 



UHtxss OTHcmrisc specified 



•ivwont 



COOK RESEARCH LABORATORIES 



A DIVISION OF COOK ILtXTKIC CO. 

 CHICAOO. 14. ILL. 





MIOJSCT M 



EXPERIMENTAL ELEC.WEIR 

 OCQUEOC RIVER SITE 



OUAWH.^.-CL^. 



.jalE*: 



rsoo 



SK-II58 



Oo 



Fig. ?— Plan and block diagram of experimental electromechanical weir and trap installed in the 

 Ocqueoc River in 1951. 



3 



