Flick a Switch

[Gasoline motor-boat for customs service at Corpus Christi, Texas.]

United States. Congress. House. Committee on Appropriations

1876

The Boy Who Harnessed the Wind

William Kamkwamba

2009

The Sign at Six

Stewart Edward White

1912

Electric energy

Mohamed A. El-Sharkawi

2004

Nuclear science

United States. General Accounting Office

1988

Muscle Shoals

United States. Congress. Senate. Committee on Agriculture and Forestry

1922

Utility Corporations. Letter from the Chairman of the Federal Trade Commission transmitting in response to Senate Resolution No. 83 a monthly report on the electric power and gas utilities inquiry

United States. Federal Trade Commission.

1928

Electric power systems

B. M. Weedy

1967