Characteristics of the Wood-Anderson seismograph at Copenhagen

 
 

Component	Mass (kg)	Tg	Damp. Coef.	Electr. k	From	To	Source
E-W	-	-	-	-	1930 01 01	1930 03 31
E-W	-	-	-	-	1930 07 01	1930 09 30
E-W	-	-	-	-	1930 10 01	1930 12 31
E-W	-	-	-	-	1931 01 01	1931 03 31
E-W	-	-	-	-	1931 01 04	1931 06 30