![...](https://files.ingeniumcanada.org/items/coll/141/210/1968-0902-001-aa-cs_thumb.jpeg)
Seismograph
1968.0902.001
![...](https://files.ingeniumcanada.org/items/coll/90/501/1968-0902-002-aa-cs_thumb.jpeg)
Weight
1968.0902.002
![...](https://files.ingeniumcanada.org/items/coll/90/499/1968-0902-003-aa-cs_thumb.jpeg)
Seismograph part
1968.0902.003
![...](https://files.ingeniumcanada.org/items/coll/90/491/1968-0902-004-aa-cs_thumb.jpeg)
Boom part
1968.0902.004
![...](https://files.ingeniumcanada.org/items/coll/90/490/1968-0902-005-aa-cs_thumb.jpeg)
Boom part
1968.0902.005
![...](https://files.ingeniumcanada.org/items/coll/90/486/1968-0902-006-aa-cs_thumb.jpeg)
Recorder, seismograph
1968.0902.006
![...](https://files.ingeniumcanada.org/items/coll/90/477/1968-0902-007-aa-cs_thumb.jpeg)
Recorder part
1968.0902.007
![...](https://files.ingeniumcanada.org/items/coll/90/463/1968-0902-008-aa-cs_thumb.jpeg)
Recorder part
1968.0902.008
1968.0902.001
1968.0902.002
1968.0902.003
1968.0902.004
1968.0902.005
1968.0902.006
1968.0902.007
1968.0902.008