ON STANDARDS FOR USE IN ELECTRICAL MEASUREMENTS. 125 



July 10, Morning. — Standard coil readjusted. One-minute tapes 



•999734 

 •999818 

 •999726 



Mean , •999759 



July 10, Afternoon. — No readjustment of standard coil. Three-minute 

 tapes. 



■999708 

 ■999742 

 •999764 



Mean . -999738 



July 11, Afternoon. — Standard coil readjusted. Three-minute tapes. 



•9996P3 

 ■999692 

 •999679 



Mean . •999688 



July 12, Morning, — No readjustment of standard coil. Resistance 

 coils reversed. 



■999713 

 ■999711 

 ■999692 



Mean . ^999705 



July 12, Afternoon. — Standard coil readjusted. Resistance coils re 

 moved from the mercury cups and replaced. Three-minute tapes. 



■999774 

 ■999787 

 •999759 



Mean . ^999773 



July 13. — Standard coil readjusted. Resistance coils removed from 

 mercury cups and replaced. Three-minute tapes. 



•999847 

 ■999809 

 •999782 

 ■999842 (morning of the 14th) 



Mean . ^999820 



July 14, Morning. — Standard coil readjusted. Resistance coils re- 

 moved and replaced. Three-minute tapes. 



•99969.5 

 •999692 

 •999717 



Mean . ^999701 



Jiily 14, Afternoon. — Standard coil readjusted. Resistance coils re- 

 moved and replaced. Three-minute tapes. 



•999853 

 •999866 

 •999875 



Mean . -999865 



