If you follow the link, there was a 130, 150 and 170H. I assume 175H was derivative.
In that process I learned about Béla Barényi, the designer/engineer of the 170H. A contemporary of Ledwinka and Ganz.
I'm a fan of the bubble-top coupe body style. Here's one from Chrysler that never made production [upper left]:
With front-wheel drive, it even had a rumble seat.