CURRENT METERS 



ill-- < ml* the torpedo-shaped weight necessary to 



li"M the metrr in t) al plane against the curn-nt. The 



vanes on the weight assist in keeping the meter parallel with 

 the direction of ill. . The number and position of the 



weights on tin- stem or hanger depend upon the conditions 

 in. I. i \%lu. h tin- in.-. i in. -in. -Hi is to be made. 



A tail, consisting of a *t< m t.. \%l,i,-li are fastened two vanes 



(separable in packing), is attached to the frame opposite the 



Inn k. -t wheel and server the l.iil.l purpose of balancing the 



sheel and ktfping the meter parallel to the direction 



nt. 



> v 28 Blectn. -urn-iit Meter 

 out Hi. trith meter *i/> 

 niiil willi t.-lepbone WHiiuIiT. mlilp. .Iry 

 d'll ' ill t\vn linn- !Xe, 



each, or carh fifth, 





M 



.T I. 



..i.-A. or ror* 



Elect rl. Current Meter 



rr Mprnf/rf 6y jatntrd 



with telephooe sounder, 



. :iinl tWO 



flftk. 



Ml of the advantages of Meters No. 617, 618 and 621 are 

 combiii.-.! in No. 623, which can be suspended by cable or by 

 i"iiited wading rod, and which is equipped with two inter- 

 changeable commutator boxes for indicating each revolution, 

 or each fifth rrvolution, of thr bin k.-t wh- 



