Astronomy for Amateurs —— A Practical Manual of Telescopic Research in All Latitudes, Adapted to the Powers of Moderate Instruments

----- 业余爱好者的天文学

ISBN: 9781330053027 出版年：2016 页码：329 John A Westwood Oliver Forgotten Books

The aim of this volume is entirely practical. Its pages are intended to afford the amateur astronomer, possessed. Of limited instrumental means but yet anxious to devote his labours to the furtherance of astronomical science, such hints and suggestions as will help him to direct his efforts into the channels which experience has indicated as best fitted to his qualifications and equipment.