If I can get you to comprehend this power proposition no student of
"Rough and Tumble Engineering" will ever blow up a boiler.
When I started out to talk engine to you I stated plainly that this book
would not be filled up with scientific theories, that while they were
very nice they would do no good in this work. Now I am aware that I
could have made a book four times as large as this and if I had, it
would not be as valuable to the beginner as it is now.
From the fact that there is not a problem or a question contained in it
that any one who has a common school education can not solve or answer
without referring to any textbooks The very best engineer in the country
need not know any more than he will find in these pages. Yet I don't
advise you to stop here, go to the top if you have the time and
opportunity. Should I have taken up each step theoretically and given
forms, tables, rules and demonstrations, the young engineer would have
become discouraged and would never have read it through. He would have
become discouraged because he could not understand it.
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