And the desirability of a "loose fit" at certain times. The deliberate overlapping of the steel at the top eliminated the pressure to have tight tolerances, and became the pre-dominant langauge of the arbor.
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And the desirability of a "loose fit" at certain times. The deliberate overlapping of the steel at the top eliminated the pressure to have tight tolerances, and became the pre-dominant langauge of the arbor. |