antique steampunk zeppelin with exposed cogs, engines, and aerial mechanics

retrofuturistic expeditionary exploration contraption engineering propulsion expedition innovation navigation ballooning steampunk mechanics propeller clockwork adventure victorian mechanism transport invention weathered zeppelin nautical floating altitude antique exposed engines airship vintage balloon machine horizon journey skydock skyship aerial copper rivets fabric engine flight clouds helium vessel brass gears steam pilot retro sails rivet craft cogs wing sky