-Carriages over Canal Navigation"
(1819.), reprinted in "The Magazine of History with Notes and Queries",
Extra Number 54 (1917). On Evans: "Oliver Evans and His Inventions," by
Coleman Sellers, in "The Journal of the Franklin Institute", July, 1886,
vol. CXXII.

CHAPTER IV

On the general subject of cotton manufacture and machinery, see: J. L.
Bishop, "History of American Manufactures from 1608 to 1860", 3 vols.
(1864-67); Samuel Batchelder, "Introduction and Early Progress of the
Cotton Manufacture in the United States" (1863); James Montgomery,
"A Practical Detail of the Cotton Manufacture of the United States of
America" (1840); Melvin T. Copeland, "The Cotton Manufacturing Industry
of the United States" (1912); and John L. Hayes, "American Textile
Machinery" (1879). Harriet H. Robinson, "Loom and Spindle" (1898), is a
description of the life of girl workers in the early factories written
by one of them. Charles Dickens, "American Notes", Chapter IV, is a
vivid account of the life in the Lowell mills. See also Nathan Appleton,
"Introduction of the Power Loom and Origin of Lowell" (1858); H. A.
Miles, "Lowell, as It Was, and as It Is" (1845), and G. S. White,
"Memoir of Samuel Slater" (1836). On Elias Howe, see Dwight Goddard, "A
Short Story of Elias Howe in Eminent Engineers" (1905).

CHAPTER V

The story of the reaper is told in: Herbert N. Casson, "Cyrus Hall
McCormick; His Life and Work" (1909), and "The Romance of the Reaper"
(1908), and Merritt F. Miller, "Evolution of Reaping Machines" (1902),
U. S. Experiment Stations Office, Bulletin 103. Other farm inventions
are covered in: William Macdonald, "Makers of Modern Agriculture"
(1913); Emile Guarini, "The Use of Electric Power in Plowing" in The
"Electrical Review", vol. XLIII; A. P. Yerkes, "The Gas Tractor in
Eastern Farming" (1918), U. S. Department of Agriculture, Farmer's
Bulletin 1004; and Herbert N. Casson and others, "Horse, Truck and
Tractor; the Coming of Cheaper Power for City and Farm" (1913).

CHAPTER VI

An account of an early "agent of communication" is given by W. F.
Bailey, article on the "Pony Express" in "The Century Magazine", vol.
XXXIV (1898). For the story of the telegraph and its inventors, see:
S. I. Prime, "Life of Samuel F. B. Morse" (1875); S. F. B. Morse, "The
Electro-Magnetic Telegraph" (1858) and "Examination of the Telegraphic
Apparatus and the Process in Telegraphy" (1869); Guglielmo Marconi, "The
Progress of Wireless Te