Almucantar staff. This instrument is used to determine the time of sunrise and sunset. Artwork from 'Handbook of Descriptive and Practical Astronomy' (George Frederick Chambers,1890 fourth edition) | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Royal Astronomical Society |
Bildgröße: | 3738 px × 4772 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |