Rusty cogwheel, gearwheel, detail

aged cog cog wheel cog wheels cogged cogwheel cogwheels day daylight daytime detail details during engineering exterior exteriors gear gear wheel gearwheel historic mechanic old out outdoor photo photos propulsion propulsions rust rusted rusty rusty shot shots technic technical technology the through toothed train transmission transmissions weathered weathering weatherings wheel wheels wheelwork wheelworks works