Part 18 (2/2)

First life-preserver--John Edwards, England, 1805.

Calculating machine--Charles Babbage, England, 1822.

First friction matches--John Walker, United States, 1827. Flint and steel were used for starting fires before matches were invented.

First portable steam fire-engine--Brithwaite and Ericsson, England, 1830.

Vulcanizing of rubber--Charles Goodyear, United States, 1839.

Pneumatic tire--R. W. Thompson, England, 1845.

Time-lock for safes--Savage, United States, 1847.

Match-making machinery--A. L. Denison, United States, 1850.

American machine-made watches--United States, 1850.

Safety matches--Lundstrom, Sweden, 1855.

Sleeping-car--Woodruff, United States, 1856.

Printing-machine for the blind, origin of the typewriter--Alfred E. Beach, United States, 1856.

Cable-car--E. A. Gardner, United States, 1858.

Driven well, an iron tube with the end pointed and perforated driven into the ground--Col. N. W. Green, United States, 1861.

Pa.s.senger elevator--E. G. Otis, United States, 1861.

First practical typewriter--C. L. Sholes, United States, 1861.

Railway air-brake, use of air-pressure in applying brakes to the wheels of a car. A strong spring presses the brake against the wheels. Air acts against the spring and holds the brake away from the wheels. To apply the brake, air is allowed to escape, reducing the pressure and allowing the spring to act--George Westinghouse, United States, 1869.

Store-cash carrier--Dr. Brown, United States, 1875.

Roller flour-mills--F. Wegman, United States, 1875.

Kinetoscope, moving-picture machine--Edison, 1893.

THE END

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