Lectures On Practical Astronomy And Astronomical Instruments
The book Lectures On Practical Astronomy And Astronomical Instruments was written by author Challis James Here you can read free online of Lectures On Practical Astronomy And Astronomical Instruments book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Lectures On Practical Astronomy And Astronomical Instruments a good or bad book?
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" Small buildings have been erected over the collimators, which are now, therefore, virtually in the same room with the Transit Circle, and the consequent steadi- ness in the images of the collimator wires is very remark- able. " "Mr Graham [First Assistant at the Cambridge Observa- tory] has adopted a method of determining the intervals of the right-ascension wires which has been found to be very accurate 1 The donation in 1863 of 2000 by Miss Sheepshanks, to be employed for the benefit of the... Cambridge Observatory, with special preference for its application in the purchase of one or more large instruments, and the legacy in 1858 of 10, 000, left by her brother, the Rev. R. Sheepshanks, for the pro- motion of the science of Astronomy in the University, are recorded in the yearly issues of the Cambridge Calendar under the head of The Observatory. 2 See Note 2 to Art. 48, p. 40. 3 See at the end of Art. 47. f Ij I B R A R \ UNIVERSITY OF jj CALIF [A THE TRANSIT CIRCLE. 235 and convenient.
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