It takes the average reader 2 hours and 22 minutes to read Lens Surfacing Handbook by Clifford W. Brooks
Assuming a reading speed of 250 words per minute. Learn more
This handbook provides the essential information opticians need while working at the lab bench. Topics covered include general lens considerations, layout for surfacing, and determining tool curves and lens thickness.
Lens Surfacing Handbook by Clifford W. Brooks is 138 pages long, and a total of 35,604 words.
This makes it 47% the length of the average book. It also has 44% more words than the average book.
The average oral reading speed is 183 words per minute. This means it takes 3 hours and 14 minutes to read Lens Surfacing Handbook aloud.
Lens Surfacing Handbook is suitable for students ages 10 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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