Troughton transit circle. This instrument was made in 1793 by the British instrument maker Edward Troughton (1753-1835). The instrument was owned by a succession of astronomers,including British astronomer John Lee (1783-1866) after whom it is sometimes named. It is now held at the Royal Astronomical Society. Artwork from 'Handbook of Descriptive and Practical Astronomy' (George Frederick Chambers,1890 fourth edition) | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Royal Astronomical Society |
Bildgröße: | 3513 px × 5079 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |