Visual problems of school children
Our rough guess is there are 20,000 words in this book.
At a pace averaging 250 words per minute, this book will take 1 hours and 20 minutes to read. With a half hour per day, this will take 3 days to read.
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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.
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Author
Contributions
- Austin, Agnes Sutton, joint author. - Contributor
Publication
1941 - The Professional press, inc., Chicago, Ill, Illinois
Language
English
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