| http://www.w3.org/ns/prov#value | - A telephone reporting unit as claimed in claim 1 wherein said record/playback means include:a magnetic tape; a tape drive mechanism; an amplifier including an input terminal and an output terminal, said amplifier input terminal initially connected to said signal generating means; a transducer in contact with said magnetic tape, initially connected to the output terminal of said amplifier, and in r
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