Civilization manualBook 1: From Bare Hands to Steam and Electricity765 entries · 23 phases · 100 years
The Island
Phase 13 — Steam power  /  About year 34
13.03

Boiler fittings

safety valve, water-level glass, pressure gauge, lead fusible plug

MakingYear 34Stands on 182 earlier

AWhat it needs

Needs 182 other products in all, 5 of them directly.

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