Bricked up

Another in my series of bricked up and plastered over small doorways found within the outside yard at Eastern State Penitentiary in Philadelphia Pennsylvania.  I'm not sure why I was drawn to these features so much.  The prison was built in 1829 and closed in 1971.  

Technical details:
Sakai Toyo 5x7" large format metal field camera with 4x5" film back.
150mm Caltar-S II F 5.6 lens in Copal BT shutter.
Ilford Delta 100 film shot at ISO 100.
Exposure was 1/4 second at F22.
Developed in Ilford DD-X 1+4 dilution for 10 minutes @ 20 degrees Celsius using a Beseler 8x10 print drum placed on Unicolor Uniroller 352 auto-reversing rotary base.  
4x5" negative scanned with Epson V600