An ancient Chinese sun-dial
Our rough guess is there are 107,500 words in this book.
At a pace averaging 250 words per minute, this book will take 7 hours and 10 minutes to read. With a half hour per day, this will take 15 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
Contributions
- Millman, P. M. - Contributor
Publication
1938 - s.n., Toronto, Ontario
Language
English
Subjects
Topics
Series Statement
- Communications from the David Dunlap Observatory -- no. 3
Reader Reviews
No reviews yet for this book.
Be the first to share your thoughts!