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 32
12.16

Calculating tables and slide rule

gears, boilers, beams and windings designed by arithmetic

KnowledgeYear 32Stands on 187 earlier

AWhat it needs

Needs 187 other products in all, 2 of them directly.

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