Meridian telescope, Bucharest, Romania - Stock Image - R110/0313 - Science Photo Library
The elements of astronomy; a textbook . theeye end of the instrument, a reticle of spider-lines (see Appendix,Art. 544) is so placed in the tube that on looking into the eye-piece itcan
Astronomy Without a Telescope
The solar transit This account of the solar compass, and the meridian attachment for transit instruments was written for Young & sons . ngs the credit due to skillful workmanship and good