URI:
       Index of /pdf/ampex/tape_measure
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   DIR /pdf/ampex
       Ampex_Care_and_Storage_of_Ampex_Computer_Tape_196312.pdf
       Tape_Measure_1_How_Environment_Affects_Magnetic_Recording_Tape_196302.pdf
       Tape_Measure_2_A_Summary_of_Digital_Magnetic_Tape_Recording_Techniques_and_Terminology_196201.pdf