It takes the average reader 8 hours and 27 minutes to read 100 Years of Telephone Switching by Robert J. Chapuis
Assuming a reading speed of 250 words per minute. Learn more
In this work, not only the principles by which manual and automatic systems function are distinguished, but also the background to the invention is given. This is done from the perspective of an unbiased international observer.
100 Years of Telephone Switching by Robert J. Chapuis is 496 pages long, and a total of 126,976 words.
This makes it 167% the length of the average book. It also has 155% more words than the average book.
The average oral reading speed is 183 words per minute. This means it takes 11 hours and 33 minutes to read 100 Years of Telephone Switching aloud.
100 Years of Telephone Switching 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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