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GRS Automatic Train Control Intermittent Inductive Auto Manual Type Pamphlet No. B 526 March 1925

Rochester, NY: General Railway Signal Company, 1925. Item #30496

Small 4to; decorative stapled stiff covers; softcover; 30 pages; black and white illustrations; lightly edgeworn covers with stamp remains and sunned pages else a very good clean tight copy.

Price: $20.00