View 181 a Yard Layout and Interlocking Plant, as Controlled ... The drum winds up the cable and hoists the barrel, which raises the tilting platform in passing. ... Lake Erie R. R. In a recent paper read before the Western Railway Club, Mr. A. R. Raymer, assistant chief engineer of that road, made a ... A low-voltage motor signal, suitable for use as a distant signal for mechanical interlocking plants, and for automatic block ... 48 RAILROAD EXHIBITS, LOUISIANA PURCHASE EXPOSITION.
|Title||:||... Railroad transportation at the Universal exposition|
|Author||:||Railway and engineering review, Chicago, Walter Mason Camp|