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Rock Climbing Photo: The infamous IBM Boulder on the descent (approx 8 ...
Id# 105814370, 584 x 478px
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By Lee Jensen
Oct 2, 2006
Why is it called the IBM boulder?
By M.Morley
From: Sacramento, CA
Oct 2, 2006
Maybe this will help. The old IBM Selectric typewriters used such "typeballs".
By George Bell
From: Boulder, CO
Oct 17, 2008
The link above seems to be dead. Here is a Wikipedia entry with a photo of a typeball.
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The infamous IBM Boulder on the descent (approx 8 feet in diameter).

Submitted By: George Bell on Apr 10, 2006
On this route:
Black Orpheus (5.9+ 5c 17 VI 17 E1 5a )
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