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Speakers - American Bosch Ambotone Reproducer |  |
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Speakers American Bosch Magneto Corp'n Ambotone Reproducer Wood veneer cone. Lists a patent date of Jul 2 1918.  View of the back. 
The Vintage Electronics Expo Saturday, January 20, 2024 9am-4pm
Southfield Pavilion, 26000 Evergreen Rd, Southfield, MI 
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