Exploitation technique des chemins de fer ..
A French technical treatise on railway operation by Louis Galine, issued in Paris by Vve C. Dunod in 1907 for railway engineers, signalmen and engineering students. The 331 figures are line-engraved plans, elevations and sections of signal levers, interlocking frames, point rods and track layouts, drawn with hatched masonry, ruled linkages and letter keys that yield precise mechanical line work and diagram furniture.
