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E.F. Johnson Museum, Waseca, Minnesota EF Johnson Citizen Band walkie-talkie. The company was founded in 1923 by Edgar F. Johnson and his wife Ethel Johnson. The company began as a mail order business, selling radio transmitting parts to amateurs and early radio broadcasters from space shared with a woodworking shop located in downtown Waseca ...
A control panel is a flat, often vertical, area where control or monitoring instruments are displayed or it is an enclosed unit that is the part of a system [1] that users can access, such as the control panel of a security system (also called control unit).
Dashboard instruments displaying various car and engine conditions. Where the dashboard originally included an array of simple controls (e.g., the steering wheel) and instrumentation to show speed, fuel level and oil pressure, the modern dashboard may accommodate a broad array of gauges, and controls as well as information, climate control and entertainment systems.
A front panel was used on early electronic computers to display and allow the alteration of the state of the machine's internal registers and memory. The front panel usually consisted of arrays of indicator lamps , digit [ a ] and symbol displays, toggle switches , dials, and push buttons mounted on a sheet metal face plate.
MS Viking 2 (1986) (since 1976), a passenger ferry called "Viking 2" (1986-1988) Empire Viking II, the Empire Ship named "Viking II", see List of Empire ships (U–Z) Viking Aircraft Viking II, a powered parachute made by Viking Aircraft, introduced in 2000; ASJA Viking II, a Swedish 4-seat light airplane; Vickers Viking II, the name of the ...
Pages in category "Video games set in the Viking Age" The following 61 pages are in this category, out of 61 total. This list may not reflect recent changes. A.
Warren Seymour Johnson - Portrait courtesy of Johnson Controls corporate archives. Warren Seymour Johnson (November 6, 1847 – December 5, 1911) was an American college professor who was frustrated by his inability to regulate individual classroom temperatures. His multi-zone pneumatic control system solved the problem.
[2] Over the following years, Tour & Andersson extended its product range to include an integrated access control system and hotel management & signal system in 1980 and 1981 respectively. In 1987 it released Micro 7, an IBM PC-based control system with an easier user interface than previously available. It was operated with a mouse in a ...