Civilization manualBook 1: From Bare Hands to Steam and Electricity765 entries · 23 phases · 100 years
The Island
Phase 04 — Clay, kilns, charcoal and lime  /  About year 1
04.06

Shadow stick, water clock and counted breaths

agreed ways to time a process before there is a clock

KnowledgeYear 1Stands on 20 earlier

AWhat it needs

Needs 20 other products in all, 2 of them directly.

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Open a box to see what it needs. A dashed box is a product already drawn in full: click it to jump there. In the org chart, drag to move around.

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