by Thomas Dick
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
en
~16 hours (956K characters)
Project Gutenberg
Produced by Chris Curnow, Wayne Hammond and the Online Distributed Proofreading Team at http://www.pgdp.net (This file was produced from images generously made available by The Internet Archive)