20092010JMRI DickBronson 1 2010-01-01 DB Initial version NYCS Double head dwarf signal As described in the New York Central System publication "Rules for the Governmant of the Operating Department." Appearances for a two-searchlight dwarf signal head Clear green green Page 92 ../../../resources/icons/smallschematics/aspects/NYCS-1937/SL-2-low/rule-281.gif Approach Medium yellow green Page 94 ../../../resources/icons/smallschematics/aspects/NYCS-1937/SL-2-low/rule-282.gif Advance Approach yellow yellow Page 95 ../../../resources/icons/smallschematics/aspects/NYCS-1937/SL-2-low/rule-282A.gif Slow-Clear green red Page 95 ../../../resources/icons/smallschematics/aspects/NYCS-1937/SL-2-low/rule-287.gif Slow-Approach yellow red Page 95 ../../../resources/icons/smallschematics/aspects/NYCS-1937/SL-2-low/rule-288.gif Restricting red yellow Page 103 ../../../resources/icons/smallschematics/aspects/NYCS-1937/SL-2-low/rule-290.gif Stop red red Page 105 ../../../resources/icons/smallschematics/aspects/NYCS-1937/SL-2-low/rule-292.gif Stop Stop