When did Frank Stephen Baldwin first conceive of his pinwheel device?
Answer
1875
Frank Stephen Baldwin's initial conception of his mechanical calculator, which utilized the pinwheel mechanism, occurred in the year 1875. This early device was fundamental in establishing the core principles of the stepped drum approach in the United States. Although this initial prototype was limited in its operational scope, primarily handling only addition and subtraction, it represented the crucial breakthrough that led to his later patent filing in 1887 for the improved machine. The date 1875 marks the true genesis of his practical application of this calculating concept, distinguishing it from the earlier theoretical work by Leibniz.
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When did Frank Stephen Baldwin first conceive of his pinwheel device?What is the formal name for the pinwheel calculator mechanism?What operations could Baldwin's initial 1875 prototype perform?In what year did W. T. Odhner receive a patent for his calculator?Which input method allowed for faster data entry by pressing all digits at once?What advancement did the different pin heights on the rotating cylinder transfer instantly?Which inventor's design became incredibly widespread globally noted for its simplicity?How was multiplication adaptation typically achieved in pinwheel adaptation?When did Baldwin secure a patent for his improved pinwheel machine application?What niche did the pinwheel calculator occupy compared to the Brunsviga?Whose ingenuity is primarily credited for inventing the pinwheel mechanism in the United States?