Kirchhoff's plaque used in photographs of his work. Kirchhoff's great-grandson brought the plaque to the show to share with us; San Marino Motor Classic, June 10, 2012; photo by Jack Curtright (20120610 0604) |
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Kirchhoff's plaque used in photographs of his work. Kirchhoff's great-grandson brought the plaque to the show to share with us; San Marino Motor Classic, June 10, 2012; photo by Jack Curtright (20120610 0604) |
Next
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