This is the propeller of Brunel's SS Great Britain.
The SS Great Britain which is now in dry dock in Bristol was the first ocean-going ship to have an iron hull and a screw propeller when it was launched in 1843.
| camera | FinePix S9600 |
| exposure mode | shutter priority |
| shutterspeed | 1/100s |
| aperture | f/3.7 |
| sensitivity | ISO200 |
| focal length | 15.4mm |
| resolution | 2916x2188 pixels |