2018-02-23 18:58:03 +00:00
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---
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created_at: '2017-11-23T20:18:12.000Z'
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title: History of Ball Bearings (1981) [pdf]
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url: https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19810009866.pdf
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author: bryanrasmussen
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points: 78
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story_text:
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comment_text:
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num_comments: 12
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story_id:
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story_title:
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story_url:
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parent_id:
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created_at_i: 1511468292
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_tags:
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- story
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- author_bryanrasmussen
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- story_15767547
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objectID: '15767547'
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---
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2018-02-23 18:19:40 +00:00
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[Source](https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19810009866.pdf "Permalink to ")
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