Calcu-Pen, ein seltener Taschenrechner-Schreibstift, ca. 1975
2013 [IMG_20130106_150152] den Calcu-Pen habe ich vor vielen Jahren erworben, ein schönes Stück Geschichte
Information
| Section | Youth: Technik |
| Folders | P_05_Fahrzeuge_Techn |
| Views | 3,377 |
| Published | |
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Exif
| Camera | Galaxy Nexus |
| Lens | --- |
| Aperture | 2.8 |
| Exposure time | 1/51 |
| Focus length | 3.4 mm |
| ISO | 50 |
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