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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 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.
SimplexGrinnell, a subsidiary of Johnson Controls, is an American company specializing in active fire protection systems, communication systems and testing, inspection and maintenance services. The company headquarters is in Boca Raton , Florida ; corporate sales and marketing offices are in Westminster , Massachusetts , and the company has ...
The deal was structured as follows: Johnson Controls paid $630 million upfront, and additional payments were made contingent upon reaching certain milestones, with total price capped at $870 million.) [citation needed] In October 2021, it was announced that Johnson Controls had picked Ava Robotics to power its new 'Tyco Security Robot'.
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 second production aircraft of the WW1 amphibious plane Vickers Viking; Viking FK 2 ...
The Viking chassis also has a larger front overhang that facilitates placing the front door before front axle. [2] [3] In 1997, a naturally aspirated CNG engine option specifically designed for BEST was introduced. The company also launched a two step entry Viking bus chassis in 2003, as an alternative to the three step entry buses of that time.
On 2 April 2007, Viking announced that with 27 orders and options in hand, it was restarting production of the Twin Otter, equipped with more powerful Pratt & Whitney Canada PT6A-34 engines. [10] As of November 2007, 40 firm orders and 10 options had been taken and a new final assembly plant was established in Calgary , Alberta .
Viking 2 orbiter: August 7, 1976: July 25, 1978: 1 year, 11 months, 18 days: Shut down after fuel leak in propulsion system. Viking 2 lander: September 3, 1976: April 11, 1980: 3 years, 7 months, 8 days: Shut down after battery failure. Viking 1 orbiter: June 19, 1976: August 17, 1980: 4 years, 1-month, 19 days: Shut down after depletion of ...