Civilization manualBook 1: From Bare Hands to Steam and Electricity765 entries · 23 phases · 100 years
The Island
Phase 13 — Steam power  /  About year 35
13.08

Separate condenser and air pump

the cylinder stays hot; fuel use falls by two thirds

MakingYear 35Stands on 191 earlier

AWhat it needs

Needs 191 other products in all, 3 of them directly.

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