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Spartus Corporation was an American consumer electronics manufacturer originally based in Chicago, Illinois.Founded as the Utility Manufacturing Company in 1934, it produced a wide variety of products, including wall clocks, alarm clocks, electric shavers, analog cameras, and more.
A digital clock's display changing numbers. To represent time, most digital clocks use a seven-segment LED, VFD, or LCD for each of the four digits. They generally also include other elements to indicate whether the time is AM or PM, whether or not an alarm is set, and so on. Older digital clocks used numbers painted on wheels, or a split-flap ...
The word alarm comes from the Old French a l'arme meaning "to the arms", or "to the weapons", telling armed men to pick up their weapons and get ready for action because an enemy may have suddenly appeared. [1] The word alarum is an archaic form of alarm. It was sometimes used as a call to arms in the stage directions of Elizabethan dramas. [2]
The Mk-14 bomb had a diameter of 61.4 inches (1.56 m) and a length of 222 inches (5.64 m). They weighed between 28,950 and 31,000 pounds (13,100 and 14,100 kg), and used a 64 feet (20 m) parachute. [1] The version tested at Castle Union used a RACER IV primary. 5 Mt of its total yield came from fission, making it a very "dirty" weapon. [2]
Fourteen sets of twins and one set of triplets graduated June 5 from Cooper City High School in Cooper City, Florida, about 40 minutes outside of Miami. The group comprised about 6% of the 543 ...
The idea of a proximity fuse had long been considered militarily useful. Several ideas had been considered, including optical systems that shone a light, sometimes infrared, and triggered when the reflection reached a certain threshold, various ground-triggered means using radio signals, and capacitive or inductive methods similar to a metal detector.
Manual fire alarm activation requires human intervention, as distinct from automatic fire alarm activation such as that provided through the use of heat detectors and smoke detectors. It is, however, possible for call points/pull stations to be used in conjunction with automatic detection as part of the overall fire detection and alarm system .
Voice warning systems included in cars of the late 1970s to early 1980s, such as the Datsun and Nissan "Z-Car" series, found in the 280ZX and 1984–1988 300ZX (optional in the base model and standard in the Turbo model), and the Datsun Maxima and Nissan Maxima of the early 1980s, were also known as Bitching Betty. The Datsun system issued ...