Addiator Mechanical Calculator Add Subtract
mechanical addition calculator add subtract subtraction addiator
| Date | 2016:02:24 14:29:19 |
| exif:ExifOffset | 91 |
| Exposure | 16/10 |
| Flash | 16, 0 |
| F number | 8/1 |
| FocalLength | 60/1 |
| ISO | 100, 0 |
| Manufacturer | Canon |
| Model | Canon EOS 550D |