a steampunk world where airships fly through the sky powered by steam and gears

steampunk airships sky gears retrofuturism mechanisms clockwork fantasy brass copper adventure skyships aerostats dirigibles blimps goggles pulleys skyward navigation aerospace skyports aeronautics aerodynamics propellers balloons airborne metallic ironclad fumes clouds altitude aviate skyways heights flight cogs pressure valves coolant boiler furnace craftsmanship celestial antique float hover ascend soar