Skiascopy, a treatise on the shadow test in its practical application to the work of refraction
with an explanation in detail of the optical principles on which the science is based.
2nd ed.
Our rough guess is there are 54,750 words in this book.
At a pace averaging 250 words per minute, this book will take 3 hours and 39 minutes to read. With a half hour per day, this will take 7 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
Publication
1903 - The Keystone, Philadelphia, Pennsylvania
Language
English
Word Count
54,750 words, Guess
Page Count
219 pages
Identifiers
- Internet Archiveskiascopytreatis00roge
- OCLC Control Number7787254
- Open LibraryOL22893615M
Subjects
Reader Reviews
No reviews yet for this book.
Be the first to share your thoughts!