It takes the average reader 8 hours and 52 minutes to read Our Old World Background by Charles Austin Beard
Assuming a reading speed of 250 words per minute. Learn more
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1902 Excerpt: ...earth. r' = radius of moon, or other body. P = moon's horizontal parallax = earth's angular semidiameter as seen from the moon. f = moon's angular semidiameter. Now = P (in circular measure), r'-r = r (in circular measure);.'. r: r':: P: P', or (radius of earth): (radios of moon):: (moon's parallax): (moon's semidiameter). Examples. 1. Taking the moon's horizontal parallax as 57', and...
Our Old World Background by Charles Austin Beard is 524 pages long, and a total of 133,096 words.
This makes it 177% the length of the average book. It also has 163% more words than the average book.
The average oral reading speed is 183 words per minute. This means it takes 12 hours and 7 minutes to read Our Old World Background aloud.
Our Old World Background is suitable for students ages 12 and up.
Note that there may be other factors that effect this rating besides length that are not factored in on this page. This may include things like complex language or sensitive topics not suitable for students of certain ages.
When deciding what to show young students always use your best judgement and consult a professional.
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