close up view of gears from old mechanism

gears mechanism vintage metal closeup old technology engineering retro industrial work gearwork antique metalgears metalmechanism steampunk gearsystem oldmachinery mechanical gearreduction enginesystem vintagegear metalwork industrialdesign engineeringart geartype mechanismgear retromechanism gearsystemart geargear metalsystem vintageengineering steampunkgear metalworkgear oldengineering