Every door has a story to tell

A rusting steel door bears a large gash from some unknown assailant from years past at Eastern State Penitentiary in Philadelphia Pennsylvania.  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.
Kodak Ektascan B/RA single-sided X-Ray film shot at ISO 100.
Exposure was 1/4 second at F22.
Developed in Adox Rodinal 1:100 dilution for 6 minutes, 10 seconds @ 20 degrees Celsius using Beseler 8x10 color print drum placed on Unicolor Uniroller 352 auto-reversing rotary base.   
4x5" negative scanned with Epson V600.