"Taken in front of the chapel of the 17th century Hospital Pitié Salpêtrière in the center of Paris using Kodak Tri-x 400 black and white 35 mm roll film in home-made pin-hole camera; f/509.43 with a 7.5 second exposure"
"new shutter mechanism on the same pin-hole camera that I used last year...made from a vintage French candy box"