TAILIEUCHUNG - THE MOON A FULL DESCRIPTION AND MAP OF ITS PRINCIPAL PHYSICAL FEATURES

This book and the accompanying map is chiefly intended for the use of lunar observers, but it is hoped it may be acceptable to many who, though they cannot strictly be thus described, take a general interest in astronomy. The increasing number of those who possess astronomical telescopes, and devote more or less of their leisure in following some particular line of research, is shown by the great success in recent years of societies, such as the British Astronomical Association with its several branches, the Astronomical Society of the Pacific, and similar institutions in various parts of the world. . | THE MOON A FULL DESCRIPTION AND MAP OF ITS PRINCIPAL PHYSICAL FEATURES BY THOMAS GWYN ELGER . DIRECTOR OF THE LUNAR SECTION OF THE BRITISH ASTRONOMICAL ASSOCIATION EX-PRESIDENT LIVERPOOL ASTRONOMICAL SOCIETY Altri fiumi altri laghi altre campagne Sono la su che non son qui tra noi Altri piani altre valli altre montagne. ORLANDO FURIOSO Canto xxxii. LONDON GEORGE PHILIP SON 32 FLEET STREET . LIVERPOOL 45 TO 51 SOUTH CASTLE STREET 1895 PREFACE This book and the accompanying map is chiefly intended for the use of lunar observers but it is hoped it may be acceptable to many who though they cannot strictly be thus described take a general interest in astronomy. The increasing number of those who possess astronomical telescopes and devote more or less of their leisure in following some particular line of research is shown by the great success in recent years of societies such as the British Astronomical Association with its several branches the Astronomical Society of the Pacific and similar institutions in various parts of the world. These societies are not only doing much in popularising the sublimest of the sciences but are the means of developing and organising the capabilities of their members by discouraging aimless and desultory observations and by pointing out how individual effort may be utilised and made of permanent value in almost every department of astronomy. The work of the astronomer like that of the votary of almost every other science is becoming every year more and more specialised and among its manifold subdivisions the study of the physical features of the moon is undoubtedly increasing in popularity and importance. To those who are pursuing such observations it is believed that this book will be a useful companion to the telescope and convenient for reference. Great care has been taken in the preparation of the map which so far as the positions of the various objects represented are concerned is based on the last edition of Beer and Madler

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