Insulation. Scanning electron micrograph of fibres of Hollofil,a dacron polyester used in sleeping bags. The core of each fibre has up to seven air cavities running the whole length of the fibre,increasing the thermal insulation properties. Magnification x4600 at 10x8 inch size | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Litchfield, R.E. |
Bildgröße: | 3777 px × 3043 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |