INDUSTRIAL REVOLUTION: Inventions
Fill in the blanks using this lesson's lecture notes.
THE TELEPHONE: Alexander Bell’s father was a teacher of the ___________________. Bell invented the first hearing aid around 1875.
When a wire connected two of these devices, the ___________________ was born. Its first successful test came in 1876. By 1900, 1.5
million homes had phones. Long distance came in 1892. Bell formed American Telephone and ___________________ (AT&T), which
became one of America’s longest lasting monopolies.
Cyrus McCormick invented the
FARMING: Cyrus McCormick invented the___________________, which harvests grain, in 1831. He bought out all competition and bought new inventions before he died in 1884. His INTERNATIONAL HARVESTER CORP. became the largest producer of farm equipment, helping the US lead the world in ___________________ AGRICULTURE.
OTIS: Invented the ___________________, which was perfected in 1852. With competition from
Westinghouse he improved his elevator, which allowed the creation of the ___________________
and deeper mining operations. Taller office buildings, along with the ___________________, invented by Christopher Sholes in 1867, caused an improvement in
business operation and efficiency. As buildings went higher, cities grew larger
a process called ___________________.
and Effects] [Big
and Electric Power] [Inventions]