Image: Components of the electromechanical telegraph network. Proce Wellcome V0025510

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Description: Components of the electromechanical telegraph network. Process print. Iconographic Collections
Title: Components of the electromechanical telegraph network. Proce
Credit: http://wellcomeimages.org/indexplus/obf_images/d0/01/2df7a125ded44e6ba72aa0501536.jpg Gallery: http://wellcomeimages.org/indexplus/image/V0025510.html
Usage Terms: Creative Commons Attribution 4.0
License: CC BY 4.0
License Link: http://creativecommons.org/licenses/by/4.0
Attribution Required?: Yes

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