Frank N. Piasecki's Original Business Site

Frank N. Piasecki, the pioneer of the tandem motor helicopter, had his original business site here. It bears a state historical marker.

Location:	P-V Engineering Forum , 1937 Callowhill Street, Philadelphia, Pennsylvania, 19130, United States
Listing Category:	Aeronautical, Aviation, Factories, Mills, Famous People, History, Plaques, Markers (real ones), Science, Technology, Innovations, Transportation
Virtual / Real:	Real
Created Date:	06-24-2018