Civilization manualBook 1: From Bare Hands to Steam and Electricity765 entries · 23 phases · 100 years
The Island
Phase 15 — Railways, steam and electric cars, the power grid  /  About year 49
15.34

Receipts as money

the office prints receipts in fixed amounts with a mark that is hard to copy, and people pay with them: the first currency

SocietyYear 49Stands on 313 earlier

AWhat it needs

Needs 313 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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