Instruments (mean characteristics):

Mechanical Instruments:

Instr. code*	Instr. Name	Component	Mass	To	Damp.	Vo	Mass dir.	Notes	Recording period
266027	Mainka horizontal pendulum	N-S	450	8.6	-	120	-	-	1904-
266028	Mainka horizontal pendulum	E-W	450	9.0	-	130	-	-	1904-
061018	Vicentini microsismograph	-	-	-	-	-	-	-	1904-
297010	Wiechert horizontal astatic seismograph weighing 1000 kg	NE-SW;NW-SE	1000	9.5,9.2	5.0	180	-	-	1929-
336129	Wiechert horizontal astatic seismograph weighing 200 kg	-	-	-	-	-	-	-	-
361005	Wiechert vertical astatic seismograph weighing 1300 kg	Z	1300	-	-	-	-	-	1929-

Galvanometric instruments:

Instr. code*	Instr. Name	Component	Mass	Tg	k	µ	Al	Notes	Recording period
417001	Nikiforov seismograph	-	-	-	-	-	-	-	-

*In the TROMOS database