Revision as of 21:46, 4 December 2013 by Dnevil(talk | contribs)(Created page with "Category:Standards From the "IBLS Wheel Standards" published in the October 1981 issue of <i>Live Steam Magazine</i>. This version of the chart is somewhat difficult to ...")
From the "IBLS Wheel Standards" published in the October 1981 issue of Live Steam Magazine. This version of the chart is somewhat difficult to read. It included rows of numbers that attempted to justify the values selected by the IBLS.
Drawing courtesy of Bill Donovan of RealTrains.com
