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was the third of nine children. Her father, Karl Friedrich Ringer, a master builder and carpenter, and her 20-year younger mother, Auguste Friedrich, were wealthy individuals who invested heavily in their children's educations. in Pforzheim in the Grand Duchy of Baden. Her father became wealthy by speculating with real estate. She attended a boarding school in Pforzheim for 10 years and was known for her ambition and fascination with technological innovation, but

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