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what all did elijah mccoy invent besides a cup that fed lubricating oil though a machine ?

a cup that fed lubricating oil to machine bearings through a small bore tube.

I'm not sure I understand the additional information to the question.

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Sunrise Quickie Manual Wheelchair Caster Stem Bearing Fork Head Tube S Hardware $29.99 Time Remaining: 4d 23h 25m

Tags: bearing tubes, film,, material,, plastics,, rod,, rulon,

This entry was posted on Wednesday, May 20th, 2009 at 2:19 pm and is filed under Mobility Equipment. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.