Plate Thickness for Boilers at Different Pressures and Diameters circa 1871 By Melanie | November 17, 2013 Plate Thickness for Boilers at Different Pressures and Diameters circa 1871 Posted in CC License and tagged 1871, Boilers, Engineering ← Illustration of a Seed Oil Mill circa 1870Le Boulevard des Italiens Paris by Jean Francois Raffaelli Published 1909 →