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which excluded individuals with poor credit ratings and minors under the age of (the typical age of contractual capacity ). prepaid mobile phones are used around the world. contents first us installation early providers technical evolution see also references first us installation[ edit ] a patent for...
containing an array of jacks with a desk in front. the desk has a row of switches and two rows of plugs attached to cables that retract into the desk when not in use. each pair of plugs was part of a cord circuit with a switch associated that let the operator participate in the call or ring the circuit for...
towers with pivoting arms or shutters, also known as blades or paddles. information is encoded by the position of the mechanical elements; it is read when the shutter is in a fixed position. [ ] [ ] semaphore lines were a precursor of the electrical telegraph . they were far faster than post riders for...
radio program for september , source: television broadcast democracy now! k democracy now! friday, september , sep , / by democracy now! audio eye favorite comment democracy now! radio program for september , source: television broadcast democracy now! k democracy now!...
apparatus, which gave off a droning buzz that filled the room. when o'neil spoke in its presence, you could hear his voice getting wrapped up in the buzzing noises of the spiricom machine. he worked on the machine for months, and then a most amazing thing happened. another voice began to get wrapped...