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- catalog contributor b5498785.
- catalog created "1901.".
- catalog date "1901".
- catalog date "1901.".
- catalog dateCopyrighted "1901.".
- catalog extent "262 p., [8] leaves of plates :".
- catalog issued "1901".
- catalog issued "1901.".
- catalog language "eng".
- catalog publisher "New York : Railroad Gazette,".
- catalog subject "Railroads Signaling Block system.".
- catalog subject "TF630 .A2".
- catalog title "The block system of signaling on American railroads : the methods and appliances used in manual and automatic block signaling, also descriptions of hand-operated and power operated interlocking machines / by Braman B. Adams.".
- catalog type "text".