| Here is page eight of a 96-page monograph entitled "Power To Burn: Smoke, Steam, & Cinders" that was edited by James M. Shafer and published during 1976. Top Photo Caption: "PRR Class E-6X, an experimental passenger engine, was built in Juniata in 1910." Bottom Photo, Revised Caption: "PRR No. 3847 tried experimental [rotary cam poppet] valves on its K-4S engine at Juniata." |