[pizzicato]

The Wikipedia article does describe steampunk as a high-profile example.

Also interesting to note the two non-distinct forms of retrofuturism: "the future as seen from the past" and "the past as seen from the future". Steampunk is an example of the latter.

[aidenn0]

Renditions of things described by Jules Verne could be considered both "the future as seen from the past" and "Steampunk"

[jbay808]

Or working models of Babbage's machines!