Here is page one of a 12-page camera study entitled "Horseshoe Curve Pictorial." It was published originally in the Winter 2004 issue of "Keystone" magazine, page 27. Lead Caption: "On the Way to Pittsburgh ~ Great Bend on the Alleghenies," 'Every Saturday' magazine, March 4, 1871, p. 200." The notice posted at the top right of this locomotive's cab reads: "The Steam Pressure on This Boiler must Never Exceed 130 Pounds to the Square Inch." |