The crystal sun
rediscovering a lost technology of the Ancient World
Our rough guess is there are 139,500 words in this book.
At a pace averaging 250 words per minute, this book will take 9 hours and 18 minutes to read. With a half hour per day, this will take 19 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.
We earn a commission on purchases
Word Count
139,500 words, Guess
Page Count
558 pages
Identifiers
- Open LibraryOL22319881M
- ISBN-100712678883
- OCLC Control Number59430060
- Goodreads3010583
- LibraryThing941736
Classifications
- DDC930.1
- LCCCC175 .T46 2000
Description
The author reconstructs the story of light technology (including the science of optics and a sophisticated technology for the manufacture of lenses) in ancient civilization.
Subjects
Topics
Reader Reviews
No reviews yet for this book.
Be the first to share your thoughts!