The theory of ionization and the sun-spot spectrum
Our rough guess is there are 6,500 words in this book.
At a pace averaging 250 words per minute, this book will take 0 hours and 26 minutes to read. With a half hour per day, this will take 1 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.
Word Count
6,500 words, Guess
Page Count
26 pages
Identifiers
- Library of Congress Control Number22019143
- OCLC Control Number25902281
- Open LibraryOL6647645M
Classifications
- LCCQB4 .C32 no. 225
Subjects
Topics
Series Statement
- Contributions from the Mount Wilson Observatory.
- no. 225
Reader Reviews
No reviews yet for this book.
Be the first to share your thoughts!