The rotation period of the sun as determined from measures of plates taken with the Rumford spectroheliograph
Our rough guess is there are 50,750 words in this book.
At a pace averaging 250 words per minute, this book will take 3 hours and 23 minutes to read. With a half hour per day, this will take 7 days to read.
How long will it take you?
This book will take an estimated to read at a reading speed averaging words per minute. With 30 minutes per day, this will take to read.
Enter your reading speedYou can take one of our WPM reading speed tests to find your reading speed.
Create a free account to track your reading progress, build your reading list, and set reading goals.
Author
Publication
1921 - The University of Chicago Press, Chicago, Ill, Illinois
Language
English
Word Count
50,750 words, Guess
Page Count
203 pages
Identifiers
- Open LibraryOL7220768M
- OCLC Control Number14257915
- Internet Archiverotationperiodof00foxprich
Subjects
Topics
Series Statement
- Publications of the Yerkes Observatory -- v. 3, pt. 3
- Publications of the Yerkes Observatory of the University of Chicago -- v. 3, pt. 3.
Reader Reviews
No reviews yet for this book.
Be the first to share your thoughts!