Characteristics of the Wood-Anderson seismograph at Copenhagen

 
 

Component	Mass (kg)	Tg	Damp. Coef.	Electr. k	From	To	Source
N-S	-	-	-	-	1929 10 01	1929 12 31
N-S	-	-	-	-	1930 01 01	1930 03 31
N-S	-	-	-	-	1930 07 01	1930 09 30