This book was written to be intelligible to general readers while also containing facts and figures useful to amateur astronomers at the time of its first print

Unlike some other reproductions of classic texts (1) We have not used OCR(Optical Character Recognition), as this leads to bad quality books with introduced typ

Excerpt from Telescopic Work for Starlight Evenings Planetary Observations, and kindred subjects, which I furnished to 'the Observatory' and other scientific se