Rather than reinvent the steam valve, this page’s answer shall consist of quotations from around the world.

Let’s take a mental trip back in time to Victorian-era England. That’s the years 1837 through 1901. Look around you! People are wearing petticoats and bowler hats. Down the street, a factory is being built. There’s a steam-powered boat on the river. […]

Okay, let’s travel back to today’s time period. Oh no! You forgot to leave behind the Victorian-era fashion and technology! We’re in the present day, but electricity never replaced steam power. Plastic doesn’t exist. People still dress in fancy outfits. There are waistcoats and pocket watches everywhere!

Wonder of the Day #2048 – What Is Steampunk? wonderopolis.org