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Non-Commercial Use
2
Category
Domestic Appliances
1
Mathematics
1
Maker
Baker-Vawter Company
1
Heathkit
1
Object type
adding machine
1
amplifier
1
Place
Benton Harbor
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Benton Harbor, Berrien county, Michigan, United States
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Manchester
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Manchester, Manchester urban district, Greater Manchester, England, United Kingdom; Benton Harbor, Berrien county, Michigan, United States
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Home-built amplifier
1965; 1965
Example (no.6173) of the "Rapid Computer" patented in 1892 by the Baker-Vawter Co.
1892-1900
