Keywords: Harrington NRHP Philly.JPG 83002270 Harrington Machine Shop on the NRHP since May 6 1983 At 1640 “1666 Callowhill St in the Franklintown neighborhood of North Philadelphia Right next to the INS building at 1600 Callowhill which is also on the NRHP own 2010-09-09 Smallbones 39 57 36 N 75 10 0 W National Register of Historic Places in North Philadelphia Factories in Philadelphia |