Insulation. Coloured scanning electron micrograph of fibres of a dacron polyester material used in sleeping bags. The core of each fibre has up to seven air cavities,increasing the thermal insulation properties. Magnification: x20 at 6x7cm size. x66 at 10x8ins | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library |
Bildgröße: | 4016 px × 4963 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |