>>>The triplexes were were among the last, and probably the largest, engines built with Russian Iron boiler jackets. The bright finish of the iron was rather reflective. The "blue" finish was a metallic blue paint that was intended to duplicate Russian Iron reflecting a bright blue sky.<<<<
To get a good perspective of the true color of Russian Iron, check out the all color book published by Morning Sun "Trackside around Detroit"
In 1923 Henry Ford had 10 USRA switchers produced in Russian Iron for his new Flat Rock assembly plant and for the DT&I RR which at the time he owned.
Henry Ford kept these engines in pristine condition throughtout their running life.
Book has a few beautiful color shots taken in the mid 40's that capture its true blue color and brilliance.
Joe