Graphite Boiler Jacketing

NW Mailing List nw-mailing-list at
Mon Feb 14 17:43:13 EST 2022

 So far as I can tell, this happened only at Columbus, and I have no idea why. Photo of 321 with graphite  boiler and cylinders showed up in Ron Rosenburg's 1973 book of N&W steam. The Bristol shopmen painted runningbord edges white or silver on the Abingdon branch M's, so I figure the Columbus shopmen had a similar attitude about N&W standards.
Jim Nichols
    On Monday, February 14, 2022, 02:30:54 PM CST, NW Mailing List via NW-Mailing-List <nw-mailing-list at> wrote:  
 Hi all. The Gary Kreines channel on YouTube has several mis-fifties color films posted, including the following. 
At about the 2:08 mark are several sequences of an S1 at Joyce Yard with a silver jacketing on the boiler. I assume this is graphite paint, similar or the same as applied to unjacketed smokeboxes.  
A couple of Facebook commentators say they remember seeing these on occasion - but the so-far unanswered question is why this was done? 
Is it a primer layer? Were they out of black paint? Crew pride?

Matt GoodmanColumbus, Ohio
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