1902.] "Blaze-currents " of the Incubated Reus Egg. 189 



Chick, 108 hours. 



Pressure. 



Capacity. 



Quantity. 



Energy. 



Response. 



6 L. 



1. mf. + 



8 -4 mo. 



360 ergs. 



+ 0*0005 



53 



>> 





-0-0016 



» 



2mf. + 



16 8 



720 



+ -0009 











-0-0025 





3 mf. + 



25 -2 



1080 



+ 0-0011 



„ 









-0-0032 





1 mf. + 



33 -6 



1440 



+ -0015 





„ — 







-0 -0040 



„ 



5 mf. + 



42'0 



1800 



+ '0019 



1! 









-0-0043 



iL Li. 



5 mf. + 





9AA 

 Z<J\J 



a. o -Anno 





5) ~ " 







-0-0015 



4L. 





28 -0 



800 



+ 0-0010 











-0-0036 



6L. 



3> "1 



42 -0 



1800 



+ 0-0019 





3 3 







-0-0042 



Vobb. 



+■002 

 + •001 

 •000 

 —001 



—ooa 



—003 

 —004 

 —005 















I 







JlJ 

























































' 2 '5 l+ i^ 



5m 



F. 



July 25. Chick, 108 hours. 

 Influence of Temperature. 

 Exc. by Condenser discharge. 5 '6 volts; 4L 5 mf. + 



Time. 



Temp. 



Blaze. 



Resistance. 







28° 



+ 0017 



50,000 w 



5 



28 



0016 





10 



34 



0014 





15 



38 -5 



0009 





20 



41 -5 



0004 



35,000 



25 



44° 



0000 





35 



37 



0000 





45 



31 



0000 



35,000 



Summary. 



The presence of a blaze-current is a certain sign that development 

 has progressed within the egg. 



