Studies in visual acuity.
Our rough guess is there are 40,250 words in this book.
At a pace averaging 250 words per minute, this book will take 2 hours and 41 minutes to read. With a half hour per day, this will take 6 days to read.
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Publication
1948 - U.S. Govt. Print. Off., Washington, District of Columbia
Language
English
Word Count
40,250 words, Guess
Page Count
161 pages
Identifiers
- OCLC Control Number4995297
- Open LibraryOL6043233M
Classifications
- DDC617.7075
- LCCRE81 .U47 1948
Subjects
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