Elements of natural philosophy (Volume 2-3) (1850)
Bartlett, W. H. C. (William Holms Chambers), 1804-1893 · New York : Barnes · leaf 266
ugh this telescope with ordinary eye pieces,appear inverted. ELEMENTS OF OPTICS. 257 § 85. Sir Isaac Newton substituted for the small cur- Newtonianved reflector a plane one inclined under an angle of 45° telescope;to the axis of the instrument, and so placed as to inter-cept the rays before the… … Graphicrepresentation ; Magnifying the main tube of the telescope. The magnifying power power found;of the Newtonian telescope is given by Equation (81)or (82), by making F2 infinite, in which case e, becomesequal to % F2, the distance of the first image from theoptical centre of the small…
Mechanics · Acoustics · Optics
Internet Archive · Medical Heritage Library · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Libro primo [-quinto] d'architettvra ... (1566)](https://img.insideoutlibrary.com/img/200/ia-libroprimoquinto00serl-40-67.webp)