Image: William Henry Preece mca
William_Henry_Preece_mca.jpg (299 × 450 pixels, file size: 20 KB, MIME type: image/jpeg)
Description: William Henry Preece
Title: William Henry Preece mca
Credit: Archive of the Marconi Company Ltd. (Early History of Radio)
Author: Unknown authorUnknown author
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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