If a beer engine were designed by Jules Verne, a visionary writer known for his steampunk and futuristic aesthetics, it would likely incorporate elements of Victorian-era technology with imaginative embellishments. Here's a speculative description of what a Jules Verne-inspired beer engine might look like:

1. Elaborate Brass Construction: The beer engine would be constructed primarily of polished brass, adorned with intricate gears, cogs, and decorative embellishments. The Victorian aesthetic would be evident, with a touch of ornate detailing reminiscent of Verne's futuristic inventions.
2. Pneumatic Power: Instead of relying on manual operation, the Jules Verne beer engine would incorporate pneumatic power. Compressed air or steam, harnessed through a network of exposed pipes and valves, would drive the engine's internal mechanisms. The hissing sounds and rhythmic motion of pistons and gears would create an atmospheric spectacle.
3. Gauges and Dials: The beer engine would feature an array of gauges, dials, and pressure indicators, reflecting Verne's fascination with measurement and precision. These instruments would monitor the pressure and flow of the beer, adding a sense of technical sophistication to the device.
4. Whimsical Design Elements: In true Jules Verne fashion, the beer engine might include whimsical design elements inspired by his imaginative stories. Perhaps there would be small brass propellers or decorative wings affixed to the sides, giving the impression that the engine could take flight at any moment.
5. Steampunk Influences: Steampunk aesthetics, characterized by the fusion of Victorian design with steam-powered machinery, would be evident in the beer engine. Exposed pipes, gears, and steam vents would be integrated into the overall design, creating an atmosphere of retro-futurism.
6. Verne's Signature Touches: Jules Verne was known for incorporating nautical elements into his works, so the beer engine might incorporate porthole-like windows or maritime-inspired motifs, such as stylized waves or ship anchors, as a nod to Verne's maritime themes.

Overall, a Jules Verne-inspired beer engine would combine the elegance of Victorian craftsmanship with fantastical and imaginative elements. It would be a mechanical marvel, with its pneumatic power, ornate brass construction, and distinct steampunk influences, creating a visual spectacle that captures the spirit of Verne's adventurous and futuristic imagination.