The Rumford Spectroheliograph of the Yerkes Observatory

By Ferdinand 1869- Ellerman and George Ellery 1868-1938 Hale

The Rumford Spectroheliograph was a groundbreaking device used to study the sun's magnetic field and solar activity. In this book, Ellerman and Hale describe the development and use of the instrument, as well as their findings and implications for the field of astronomy. With numerous illustrations and photographs, this book is an important resource for anyone interested in the history of astronomy and solar physics.

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 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.

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.

• Format: Paperback
• Language: English
• ISBN: 102181167X
• ISBN13: 9781021811677
• Release Date: July 2023
• Publisher: Legare Street Press
• Length: 68 Pages
• Weight: 0.24 lbs.
• Dimensions: 0.1" x 6.1" x 9.2"