Sight, light and efficiency
Our rough guess is there are 77,000 words in this book.
At a pace averaging 250 words per minute, this book will take 5 hours and 8 minutes to read. With a half hour per day, this will take 10 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
77,000 words, Guess
Page Count
308 pages
Identifiers
- Open LibraryOL18964497M
Classifications
- LCCT60L5 W47 1949
Reader Reviews
No reviews yet for this book.
Be the first to share your thoughts!