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Description: | print. etching. David Edward Hughes 1831-1900 / A. Delzers ; avec la permission de Elliott & Fry, Londres. - n.d. [1955-1964] [Men in telecommunications] International Telecommunication Union 23x19cm. -Portrait. HS slightly to L. Hughes, born London, worked in United States, invented carbon microphone, taught music and studied the science of sound, patented type-printing telegraph instrument, invented induction balance and worked with the theory of magnetism. | License: | http://creativecommons.org/licenses/by-nc-sa/2.5/ | Subjects: | etching print portrait | Temporal: | 1955-1964 | Source: | Science Museum | Creator: | International Telecommunication Union | Identifier: | 1982-1382/14 | Go to resource |
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