Civilization manualBook 1: From Bare Hands to Steam and Electricity765 entries · 23 phases · 100 years
The Island
Phase 18 — High-voltage lines, transmission towers and the multimeter  /  About year 64
18.19

Oscilloscope

a beam of electrons draws the shape of a changing voltage on a glowing screen

KnowledgeYear 64Stands on 293 earlier

AWhat it needs

Needs 293 other products in all, 4 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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