Seismograph component
1995.1596.001
Pendulum
1995.1596.002
Magnet set
1995.1596.003
Spring
1995.1596.004
Seismograph component
1995.1596.005
Seismograph component
1995.1596.006
1995.1596.001
1995.1596.002
1995.1596.003
1995.1596.004
1995.1596.005
1995.1596.006