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This historical document provides a detailed 'Description Of The Reflex Zenith Tube Of The Royal Observatory, Greenwich,' an important astronomical instrument. Authored by Sir George Biddell Airy, the Astronomer Royal, this work is Appendix I to the Greenwich Observations for 1854. It offers a unique insight into the workings of the Royal Observatory and the precision instruments used in 19th-century astronomy. This volume is valuable for historians of science, astronomy enthusiasts, and anyone interested in the history of scientific instrumentation and the development of astronomical observation techniques. It sheds light on the meticulous efforts undertaken to chart the stars and understand the universe during a pivotal era of scientific discovery.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
