Telescope manufacture. Parts of a 28 inch refracting telescope in the yard of the Grubb Telescope Company,Dublin,Ireland. This telescope was installed at the Royal Observatory,Greenwich,in 1893,where it remained in use until the late 1960s | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Royal Astronomical Society |
Bildgröße: | 4965 px × 3661 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |