Frank Stephen Baldwin
American inventor (1838-1925) · United States · On the map · Scientists · Died at 86
Frank Stephen Baldwin was an American who invented a pinwheel calculator in 1875.
Frank Stephen Baldwin is read about 3 times a day, in 6 languages.
A typical day, 30 days to 10 August 2026
The middle day of the days counted, so one week of news cannot move it. The line under it is the last 60 days, one point a day.
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Awards
About this person
He started the design of a new machine in 1905 and was able to finalize its design with the help of Jay R. Monroe who eventually bought the exclusive rights to the machine and started the Monroe Calculating Machine Company to manufacture it.
Country
United States
Category
Scientists
Type
Scientist
Status
Deceased
Dates
Lived 1838 to 1925 · aged 86
