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File:40934u Start of super heating union 1906.tif

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Description
English: Bode, Martin W., 1871-1947; Photograph shows African American inventor Charles S.L. Baker and another man, possibly Baker's brother Peter, standing behind heating (radiator) system. One man is holding a knob that is attached to two wires.
Date
Source https://www.loc.gov/pictures/item/2011660047/
Author Bode, Martin W., 1871-1947

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current15:01, 28 December 2017Thumbnail for version as of 15:01, 28 December 20177,236 × 5,912 (122.44 MB)Balabinrm (talk | contribs)User created page with UploadWizard

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