Related Images
Download:
| Tiny | 73x128 | View | Download |
| Small | 147x256 | View | Download |
| Medium | 294x512 | View | Download |
| Large | 589x1024 | View | Download |
| Original | 1196x2076 | View | Download |
This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Looking for more info about this image?
Try a Google Reverse Image Search for it.
Try a Google Reverse Image Search for it.
Keywords from Image Description:
The Quarterly journal of the Geological Society of London . GRAY Otf SEISMOGRAPHIC APPARATUS or vertically The pendulum is kept deflected by means of light brass tube which passes through its centre in direction at right angles to its axis and which carries at one end vertical knifeedge and at the other end very light index