The Water Engine
Editorial Alvi Books

The "water engine" is an invention unfortunately invented many times. Hydrogen from water is very abundant, renewable and can be used in [...] See book
This work details the mathematical techniques of successive differences, relative growing, curvature of curves, and includes numerous examples and exercises. This is a fascinating work and highly recommended for anyone interested in learning calculus. Many of the earliest books, particularly those dating back to the 1900s and before, are now extremely scarce. Editorial Alvi Books has republished this classic in a modern, affordable, quality edition, using the original text and illustrations.
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