
This is a reproduction of a book published before 1923. This book may have occasional imperfections
such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact,
or were introduced by the scanning process. We believe...

The Observatory, Volume 16, presents a fascinating snapshot of astronomical research and discovery in 1893. Compiled by the NASA Astrophysics Data System Abstract Service, this volume offers a comprehensive collection of observations, reports, and analyses from leading...

This is a reproduction of a book published before 1923. This book may have occasional imperfections
such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact,
or were introduced by the scanning process. We believe...