On the theory of light and colors
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At a pace averaging 250 words per minute, this book will take 0 hours and 48 minutes to read. With a half hour per day, this will take 2 days to read.
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Word Count
12,000 words, Guess
Page Count
48 pages
Physical Format
Microform
Identifiers
- Open LibraryOL19573629M
Classifications
- LCCQ111 .H3
- LCCQC401 .H3
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