1920s industrial occupational photo of a maintenance worker in a room with a mixing machinery drum showing exposed mechanism with gears (cogs, cogwheels, gearwheels). Source: RPPC (real photo postcard) discovered in the United States.

---

Size: 6354px × 4097px
Photo credit: © Industrial Archaeology by Roma Kuzhlev / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: antique, cogs, cogwheels, flywheel, gears, industrial, machinery, mechanism, photo, pulley, worker