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 (1845)
Dick, Thomas, 1774-1857 · London : Seeley, Burnside, and Seeley · leaf 126
nate. There is another experiment, made with a con-cave mirror, which has somewhat puzzled philo-sophers to account for the phenomena. Take aglass bottle AC, (fig. 27) and fill it with water tothe point B; leave the upper part BC empty, andcork it in the common manner. Place this bottleopposite a… … 102 THE PRACTICAL ASTRONOMER. is remarkable in this apparent bottle, that thewater, which, according to the laws of catoptrics,should appear at A B, appears on the contrary atb c, and consequently, the part a b appears empty.If the bottle be inverted and placed before themirror, its image will…
Astronomy · Astronomical instruments · Telescopes
Internet Archive · Getty Research Institute · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Essai de physique, par Mr. Pierre van Musschenbroek ... avec une description de nouvelles sortes de machines pneumatiques, et un recueil d'expériences par Mr. J. v[an] M[usschenbroek] Traduit du hollandois par Mr. Pierre Massuet .. (1751)](https://img.insideoutlibrary.com/img/200/ia-essaidephysiquep02muss-78-20.webp)
