Rectangular piece of paper. The front is blue, the reverse is nuetral off-white. The from has white lettering and the diagram is in white. The blue print is of a patenent application diagram. Across the top reads"M.=1.1/110÷125 Vol""Gleichrichter montiert""Zchng.Nr./417" There are two diagrams, one aerial view on top and then a side view below. Along the bottom reads"Schalt-Schema: tT. Paten-Zeichng. Anlage 4. 14.2.33 Enf" T
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Blueprint
The blueprint was donated to the United States Holocaust Memorial Museum in 2014 and 2016 by Jackie Gish.