20092010JMRI DickBronson 1 2010-01-01 DB Initial version NYCS Single head dwarf signal As described in the New York Central System publication "Rules for the Governmant of the Operating Department." Appearances for a one-searchlight dwarf signal head Slow-Clear green Page 100 ../../../resources/icons/smallschematics/aspects/NYCS-1937/SL-1-low/rule-287.gif Restricting yellow Page 103 ../../../resources/icons/smallschematics/aspects/NYCS-1937/SL-1-low/rule-290.gif Stop red Page 105 ../../../resources/icons/smallschematics/aspects/NYCS-1937/SL-1-low/rule-292.gif Stop Stop