PLATE 3. 



E—I Characteristics. 



o. — Very Long Gap. 



Iq = -55 ampere. 



1 cm. = 4.0 amperes (vertical). 



2 cm. = 250 volts (horizontal) . 



c, — Short Gap. 



lo = .54 ampere. 



1 cm. = 1.3 amperes (vertical). 



1 cm. 230 volts (horizontal). 



Cu-Al gap operating on 

 oscillator^' current. Characteristic 

 of Glow Discharge shown at the 

 end of the potential deflection. 



h. — Long Gap. 



Ig = 1.0 ampere. 



1 cm. = 4.25 amperes (vertical). 



1 cm. = 250 volts (horizontal). 



d. — Very Short Gap. 



Ig = 1.5 amperes. 



1 cm. = 4.25 amperes (vertical). 



1 cm. = 250 volts (horizontal). 





268 meters. 

 .5 ampere. 



