He built off-street filling stations with underground tanks for the gasoline and electric pumps to dispense it.

Early gas stations were small, ugly or utilitarian buildings that attracted little notice and even complaints from neighbors.

[2] Inspired by Japanese culture, which was popular at the turn of the century, he created Wadham's signature pagoda.

Atop the gabled red roofs many stations had cupolas - often multi-tiered - with lanterns hanging from the corners.

Restored in 2000, it is on the National Register of Historic Places and is maintained as a museum display by the city of West Allis.