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Instruments (mean characteristics):
Mechanical Instruments:
Instr. code*
Instr. Name
380005
Bosch horizontal pendulum
-
297011
Wiechert horizontal
astatic seismograph weighing 1000 kg
Data
from bulletins 1935-36.
361006
Wiechert vertical
astatic seismograph weighing 1300 kg
-
*In the TROMOS database