---
created_at: '2017-11-23T20:18:12.000Z'
title: History of Ball Bearings (1981) [pdf]
url: https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19810009866.pdf
author: bryanrasmussen
points: 78
story_text: 
comment_text: 
num_comments: 12
story_id: 
story_title: 
story_url: 
parent_id: 
created_at_i: 1511468292
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---
[Source](https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19810009866.pdf "Permalink to ")