The Practical Astronomer Comprising illustrations of light and colours--practical descriptions of all kinds of telescopes--the use of the equatorial-transit--circular, and other astronomical instruments, a particular account of the Earl of Rosse's large telescopes, and other topics connected with astronomy

CHAPTER III.

Chapter 1636 wordsPublic domain

ON OBSERVATORIES.

Leading features of a spot adapted for celestial observations--Public and private observatories--Greenwich observatory--Instruments with which an observatory should be furnished--The Author’s private observatory--Revolving domes for observatories--Cautions to be attended to in celestial observations

_page_ 506-516.