Search results
Results from the WOW.Com Content Network
1980s MirTone intercom system. An intercom, also called an intercommunication device, intercommunicator, or interphone, is a stand-alone voice communications system for use within a building, small collection of buildings or portably within a small coverage area, which functions independently of the public telephone network. [1]
Diafilm strip Dukane Record Automatic Filmstrip Projector Dukane Silent filmstrip projector Music captioned filmstrip set, titled "Composers of many lands and many times by Eye Gate House Inc 1954" The filmstrip is a form of still image instructional media , once widely used by educators in primary and secondary schools (K–12) and for ...
The Rauland Corporation acquired the Webster-Chicago Corporation, a then-leader in school communications, making Rauland a dominant supplier of internal school communications systems. [ citation needed ] In 1948, Norm Rauland and George Borg started a new company, Rauland-Borg Corporation, continuing the sound and communications business.
HS 25 (modified from the Ericsson OL-100 system with double relays and 25-point selector (Ericsson license), mainly used for small villages and towns in the counties) HS 31 (new developed register system, introduced in 1931, based on a new flat type relay and a 100-point two-motion selector, suitable for small and large exchanges)
An intercom telephone is a special kind of telephone that controls an intercom system. Intercom telephones can be found in residential, commercial, and educational settings. [1] For an example, a school is an environment that displays all the capabilities of an intercom
Comments such as “Heil Hitler” and threats to kill U.S. President Joe Biden were made over the school’s intercom. Student will be punished for anti-Semitic remarks made on Raleigh school’s ...
The following are the oldest private schools in the United States that are still in operation. The list does not include schools that have closed or consolidated with another school to form a new institution. The list is ordered by date of creation, and currently includes schools founded before 1800.
NuTone is an American company that manufactures products mainly for residential use, including doorbells, intercom systems, indoor air quality products, ventilation systems, range hoods, ceiling fans, built-in electric heaters, ironing equipment, and home theater systems. The company was founded in 1936 by J. Ralph Corbett in Cincinnati, Ohio. [1]