Lectures of practical Astronomy and Astronomical Instruments

Автор: Rev. James Chalis
Издательство: Deighton, Bell And CO.
Страниц: 466
Год: 1879
Размер: 14,8 МБ

I BEGAN in the year 1843 a Course of Lectures on Practical Astronomy and Astronomical Instruments, having been at that time seven years Director of the Cambridge Observatory. Lectures on these subjects had already been given by Dr Peacock as Lowndean Professor, which he discontinued on the understanding that I would undertake to carry them on. The circumstances that an Astronomical Observatory so well appointed as that of Cambridge was near at hand, and was provided with various instruments of first-rate quality, appeared to me to give facilities for lecturing on Practical Astronomy which ought to be taken advantage of ; and accordingly I commenced lecturing in the abovenamed year, having previously produced a 'Syllabus' of the subjects of the lectures, and procured a considerable number of wooden models, which, together with some apparatus that had been collected by Professor Peacock, I made use of in conducting and illustrating the Lectures, I had also the advantage of having at command several portable instruments pertaining to the Observatory. At the end of the Syllabus a list of formulae applicable to the reduction of astronomical observations was introduced, accompanied by brief demonstrations...