A gear and piston from a replica of the John Stevens "Steam Wagon" which he built in 1825. Stevens built the original Steam Wagon as a proof-of-concept and ran on on a small circle of track in Hoboken, New Jersey. He also chartered the first railroad in Pennsylvania in 1823, though it was never constructed. Image shot at the Railroad Museum Of Pennsylvania in Strasburg, Lancaster County, Pennsylvania.

Technical details:
Busch Pressman Model D 4x5 large format press camera.
Graflex Optar 135mm F4.7 lens in a Graphex shutter.
Ilford HP5+ B&W film, shot at ISO 400.
1 second at F22.
Developed in Adox Rodinal 1:50 dilution for 7 minutes and 25 seconds @ 20 degrees Celsius using a Mod54 six sheet insert in an older screw top Paterson System Tank # 4 placed on Unicolor Uniroller 352 auto-reversing rotary base.
4x5" negative scanned with Epson V600.