‘communication’ historical pictures (exact matches)

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Quipus, system of communication using knotted strings, Peru
Quipus, system of communication using knotted strings, Peru
Aristagoras, Tyrant of Miletus, receiving the order for the Ionians to revolt against Persian rule, uncovering the …
Aristagoras, Tyrant of Miletus, receiving the order for the Ionians to revolt against Persian rule, uncovering the …
Certificate of compagnonnage
Certificate of compagnonnage
Amplification of telegraphic messages
Amplification of telegraphic messages
The electric telegraph on the South Western Railway
The electric telegraph on the South Western Railway
Native Postman, Natal
Native Postman, Natal
One of set of six postcards showing mouth and lips forming sounds
One of set of six postcards showing mouth and lips forming sounds
The Submarine Telegraph
The Submarine Telegraph