It takes the average reader 3 hours and 35 minutes to read Watt's Perfect Engine by Ben Marsden
Assuming a reading speed of 250 words per minute. Learn more
Discusses James Watt's development of the separate condenser steam engine, a key step in making steam a practical industrial power source and the creation of Watt's image as an icon of industrial efficiency.
Watt's Perfect Engine by Ben Marsden is 213 pages long, and a total of 53,889 words.
This makes it 72% the length of the average book. It also has 66% more words than the average book.
The average oral reading speed is 183 words per minute. This means it takes 4 hours and 54 minutes to read Watt's Perfect Engine aloud.
Watt's Perfect Engine 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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