Technology Steamboat Telegraph Machine Historically
historically drive technology machine brass steam engine steamboat water vapor telegraph
| Date | 2017:07:24 11:28:11 |
| exif:ExifOffset | 100 |
| Exposure | 10/1250 |
| Flash | 16, 0 |
| F number | 56/10 |
| FocalLength | 500/10 |
| ISO | 400, 0 |
| Manufacturer | NIKON CORPORATION |
| Model | NIKON D7100 |