Central Pacific Railroad Photographic History Museum
Attached is the patent #95,794 for a stack by Isaac H. Graves, the Central Pacific Superintendent of Motive Power before AJ Stevens. Sure looks like a Central Pacific stack of the period.
—Kyle
posted from CPRR Discussion Group at 12:52 PM
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2 Comments:
From: Wendell Huffman
I am not surprised that the CP had someone who developed a patentable stack design as they had lots of experience with stacks. Most of the locomotives they imported in 1867-69 came without stacks, and they built their own locally. I recall a comment in one of the letters to Huntington (probably from E.B. Crocker or Hopkins) that the factory-supplied stacks were not suited for the local fuel. My recollection is the company was saving a whopping $75 per locomotive by getting them without stacks (though that varied some from builder to builder).
—Wendell
From: Bob_Spude@nps.gov
Congratulations on finding this. Do you know if this drawing of the stack from the patent records is the one actually used to design stacks for locomotives like the Jupiter. You know, that old problem of design vs. field implementation.
—Bob
Bob Spude – Historian – Cultural Resources Management – National Park Service – Intermountain Region – 505.988.6770 Voice – 505.988.6876 Fax
The National Park Service cares for special places saved by the American people so that all may experience our heritage.
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