legraphy" (1912) in the "Transactions of the New
York Electrical Society", no. 15; and Ray Stannard Baker, "Marconi's
Achievement" in McClure's Magazine, vol. XVIII (1902). On the telephone,
see Herbert N. Casson, "History of the Telephone" (1910); and Alexander
Graham Bell, "The Telephone" (1878). On the cable: Charles Bright,
"The Story of the Atlantic Cable" (1903). For facts in the history of
printing and descriptions of printing machines, see: Edmund G. Gress,
"American Handbook of Printing" (1907); Robert Hoe, "A Short History
of the Printing Press and of the Improvements in Printing Machinery"
(1902); and Otto Schoenrich, "Biography of Ottmar Mergenthaler and
History of the Linotype" (1898), written under Mr. Mergenthaler's
direction. On the best-known New York newspapers, see: H. Hapgood and
A. B. Maurice, "The Great Newspapers of the United States; the New
York Newspapers," in "The Bookman", vols. XIV and XV (1902). On the
typewriter, see Charles Edward Weller, "The Early History of the
Typewriter" (1918). On the camera, Paul Lewis Anderson, "The Story of
Photography" (1918) in "The Mentor", vol. vi, no. 19.; and on the
motion picture, Colin N. Bennett, "The Handbook of Kinematography";
"The History, Theory and Practice of Motion Photography and Projection",
London: "Kinematograph Weekly" (1911).

CHAPTER VII

For information on the subject of rubber and the life of Charles
Goodyear, see: H. Wickham, "On the Plantation, Cultivation and Curing
of Para Indian Rubber", London (1908); Francis Ernest Lloyd, "Guayule,
a Rubber Plant of the Chihuahuan Desert", Washington (1911), Carnegie
Institute publication no. 139; Charles Goodyear, "Gum Elastic and Its
Varieties" (1853); James Parton, "Famous Americans of Recent Times"
(1867); and "The Rubber Industry, Being the Official Report of the
Proceedings of the International Rubber Congress" (London, 1911), edited
by Joseph Torey and A. Staines Manders.

CHAPTER VIII

J. W. Roe, "English and American Tool Builders" (1916), and J. V.
Woodworth, "American Tool Making and Interchangeable Manufacturing"
(1911), give general accounts of great American mechanics.

For an account of John Stevens and Robert L. and E. A. Stevens, see
George Iles, "Leading American Inventors" (1912); Dwight Goddard, "A
Short Story of John Stevens and His Sons" in "Eminent Engineers" (1905),
and R. H. Thurston, "The Messrs. Stevens, of Hoboken, as Engineers,
Naval Architects and Philanthropist