Quadruplex telegraph

Industrial · Communication · 1874

TL;DR

Quadruplex telegraph - requires enrichment with adjacent possible narrative

Quadruplex telegraph - requires enrichment

What Had To Exist First

Preceding Inventions

Commercial telegraphy

What This Enabled

Inventions that became possible because of Quadruplex telegraph:

Telephone

Biological Patterns

Mechanisms that explain how this invention emerged and spread:

Niche Construction

Related Inventions

Commercial telegraphy Telephone

Tags

CommunicationElectricity

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