It takes the average reader 4 hours and 48 minutes to read A Treatise of Mathematical Instruments by John Robertson
Assuming a reading speed of 250 words per minute. Learn more
A reprint of the 1725 1st edition
A Treatise of Mathematical Instruments by John Robertson is 284 pages long, and a total of 72,136 words.
This makes it 96% the length of the average book. It also has 88% more words than the average book.
The average oral reading speed is 183 words per minute. This means it takes 6 hours and 34 minutes to read A Treatise of Mathematical Instruments aloud.
A Treatise of Mathematical Instruments 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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