Columbia Encyclopedia

(Encyclopedia) Federal Hall National Memorial: see National Parks and Monuments (table)national parks and monuments (table). ...

(Encyclopedia) Federal Home Loan Mortgage Corporation, commonly known as Freddie Mac, government-sponsored enterprise that uses private capital to buy home mortgages as a means to help lower housing costs. A sister ...

(Encyclopedia) audiovisual education, educational instruction by means of materials that use the senses of sight and hearing to stimulate and enrich learning experiences. The successful use of motion pictures and ot...

(Encyclopedia) radio frequency, range of electromagnetic waves with a frequency or wavelength suitable for communication uses. Some of these waves serve as carriers of the lower-frequency audio waves; others are mod...

(Encyclopedia) Federal Bureau of Investigation (FBI), division of the U.S. Dept. of Justice charged with investigating all violations of federal laws except those assigned to some other federal agency. The FBI has j...

(Encyclopedia) United Nations Commission on Conventional Armaments: see United Nations. ...

(Encyclopedia) utility, public, industry required by law to render adequate service in its field at reasonable prices to all who apply for it. Public utilities frequently operate as monopolies in their market. In th...

(Encyclopedia) safety movement, widespread effort to prevent accidents that followed the increasing number of casualties in industry, traffic and transportation, and homes arising out of the Industrial Revolution an...

(Encyclopedia) Wickersham, George Woodward, 1858–1936, American lawyer and government official, b. Pittsburgh. He began law practice in Philadelphia, and after moving (1882) to New York City, he became a prominent...

(Encyclopedia)  CE5 Hand telephone telephone, device for communicating sound, especially speech, usually by means of wires in an electric circuit. The telephones now in general use evolved from the device invente...