Civilization manualBook 1: From Bare Hands to Steam and Electricity765 entries · 23 phases · 100 years
The Island
Phase 12 — Precision and machine tools  /  About year 30
12.02

Straightedges and squares

true references taken from the plates

MakingYear 30Stands on 149 earlier

AWhat it needs

Needs 149 other products in all, 1 of them directly.

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