| http://www.w3.org/ns/prov#value | - Referring now to the drawings for a detailed description of the invention and more particularly to Fig. 1 thereof, the numeral 15 generally designates a paper drive mechanism suitable for use with the cscillograph of the present invention, the drive mechanism including a moving chart 16 of sufficient width to accommodate a peak-topeak swing of the recording element or pen II of approximately four
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