Grafen efter Morse by František Hromádko (1888)

Colored diagram of a Morse telegraph station with receiver, key, batteries, wiring and Morse code tables for numbers and lett

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Grafen efter Morse, František Hromádko (1888). Via artnap.com

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Why is this public domain? František Hromádko died in 1911; this work is in the public domain.

About this work

A colored instructional print titled Grafen efter Morse, labeled Tavle XII, shows a brass Morse telegraph receiver with a paper tape and an operator's hand on a sending key at Station A. Red wiring connects the key, the receiver, a row of battery cells and a tall telegraph pole, while tables at the top list Morse code for numerals and the alphabet. The work is attributed to František Hromádko and dated 1888.

Date

1888

Medium

License

Public domain