Equipment and work of an aero-physical observatory
Our rough guess is there are 7,500 words in this book.
At a pace averaging 250 words per minute, this book will take 0 hours and 30 minutes to read. With a half hour per day, this will take 1 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
Contributions
- Smithsonian Institution. Hodgkins Fund. - Contributor
Publication
1897 - Smithsonian institution, City of Washington, District of Columbia
Language
English
Word Count
7,500 words, Guess
Page Count
30 pages
Identifiers
- Library of Congress Control Number16006884
- OCLC Control Number4810703
- Open LibraryOL6585654M
Classifications
- LCCQ11 .S7 vol. 39, art 5
Subjects
Series Statement
- Smithsonian miscellaneous collections [vol. XXXIX, no. V]
- Smithsonian miscellaneous collections ;
- v. 39, no. 5.
Reader Reviews
No reviews yet for this book.
Be the first to share your thoughts!