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Results for "Electrical engineering"
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Subject: Spain)
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International Exposition (1929-1930 : Barcelona (2)
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Showing results 1 - 2 of 2 for
Electrical engineering
K. W. Johansson
Date:
1929
Creator
: Cox, Howard
K. W. Johansson
Creator
: Cox, Howard
Showing results 1 - 2 of 2 for
Electrical engineering
![K. W. Johansson, 1929, Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-4467].](https://ids.si.edu/ids/iiif/SIA-SIA2008-4467/full/250,/0/default.jpg "K. W. Johansson, 1929, Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-4467].")
![K. W. Johansson, Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-4468].](https://ids.si.edu/ids/iiif/SIA-SIA2008-4468/full/250,/0/default.jpg "K. W. Johansson, Smithsonian Institution Archives, SIA Acc. 90-105 [SIA2008-4468].")