The best
information available on earth about
compressed air theory and
calculations is our new book
Compressed Air Power Secrets:
Pneumatics for Inventors (3rd Edition, 2009)
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Contents
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that section.
(CLICK PICTURE FOR BETTER
RESOLUTION)

ABOVE: A diagram of the most efficient air
engine ever built. These air engines were sold commercially for
over 20 years, for use as locomotives in coal mining and other
industries. Perhaps thousands of these air
locomotives were in use in Europe before the second world war.
There were 624 of them in one German coal field alone.
BELOW: A flyer that Terry Miller
passed out at the 1985 Wichita Energy Exposition
where I helped him demonstrate his air car to hundreds of people.
