![...](https://files.ingeniumcanada.org/items/coll/100/964/1971-0303-001-aa-cs_thumb.jpeg)
Seismograph part
1971.0303.001
![No image available.](https://files.ingeniumcanada.org/static/No_image_sq.png)
Box, control
1971.0303.002
![...](https://files.ingeniumcanada.org/items/coll/100/963/1971-0303-003-aa-cs_thumb.jpeg)
Key
1971.0303.003
![No image available.](https://files.ingeniumcanada.org/static/No_image_sq.png)
Seismograph part
1971.0303.004
![No image available.](https://files.ingeniumcanada.org/static/No_image_sq.png)
Seismograph part
1971.0303.005
![No image available.](https://files.ingeniumcanada.org/static/No_image_sq.png)
Paper, recording
1971.0303.006
1971.0303.001
1971.0303.002
1971.0303.003
1971.0303.004
1971.0303.005
1971.0303.006