Aircraft barograph. Military personnel discussing an aircraft barograph, an instrument for recording atmospheric pressure. Atmospheric pressure responds in a predictable way to changes in altitude, so barographs can be used to record elevation changes during flight. Photographed in 1927. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Library of Congress |
Bildgröße: | 4634 px × 3791 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |