Seismograph
1971.0302.001
Lamp, electric
1971.0302.003
Pipe
1971.0302.004
Connector
1971.0302.005
Connector
1971.0302.006
Recorder, drum
1971.0302.007
Stand
1971.0302.008
1971.0302.001
1971.0302.003
1971.0302.004
1971.0302.005
1971.0302.006
1971.0302.007
1971.0302.008