Steam Era technology (ESS)

Introduced in Empires of the Smoky Skies
Technology of the Renaissance era

Cost 825 20xScience5
Required techs None
Leads to None
Units enabled None
Buildings enabled None

The Title of Defender of Progress becomes available.

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"The defenders had been driven right and left as soon as the prow of this land ironclad had loomed up over the front of the trench."
–H.G. Wells