Subject

Astronomy -- Observers' manuals books

2 free books about astronomy -- observers' manuals, free to read online. Chapter 1 of any book is free, no account needed.

Top authorsWilliam F. Denning Garrett Putman Serviss

Telescopic Work for Starlight Evenings

William F. Denning

Cover of Pleasures of the telescope
An Illustrated Guide for Amateur Astronomers and a Popular Description of the Chief Wonders of the Heavens for General Readers

Pleasures of the telescope An Illustrated Guide for Amateur Astronomers and a Popular Description of the Chief Wonders of the Heavens for General Readers

Garrett Putman Serviss