---
created_at: '2010-02-21T07:11:08.000Z'
title: Two 4000 ft plumb bobs hung down a mine shaft, with baffling results (1901)
url: http://www.lhup.edu/~dsimanek/hollow/tamarack.htm
author: andrewljohnson
points: 59
story_text: ''
comment_text: 
num_comments: 13
story_id: 
story_title: 
story_url: 
parent_id: 
created_at_i: 1266736268
_tags:
- story
- author_andrewljohnson
- story_1140283
objectID: '1140283'
year: 1901

---
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