Pennywhistle modem

E2190597 UNEXPLORED

The Pennywhistle modem is an early, low-cost, acoustic-coupler modem from the 1970s that helped popularize personal computer telecommunications among hobbyists.

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All labels observed (1)

Label	Occurrences
Pennywhistle modem canonical	1

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

Lee Felsenstein → designed → Pennywhistle modem ⓘ