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Benjamin Franklin clock dial
di jamcultur
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About 260 years ago, Benjamin Franklin designed a clock with one hand that told both the hours and minutes. You can read more about it here:
https://founders.archives.gov/documents/Franklin/01-08-02-0060
Franklin's design never caught on, but clocks based on it have been produced in limited quantities from time to time, for example, an electric version by Paragon in the 1960s, a weight-driven version by Thwaites and Reed in the 1970s, and a wrist watch by Meistersinger in 2015. For more information, see http://www.ablogtowatch.com/meistersinger-benjamin-franklin-watch/
My 3D printed version of the Franklin clock dial is very similar to other versions, except that I replaced the Roman numerals with conventional numerals. I designed it with raised lines and numerals so that I could color them with a sharpie after printing. The small dial is for the seconds hand.
https://founders.archives.gov/documents/Franklin/01-08-02-0060
Franklin's design never caught on, but clocks based on it have been produced in limited quantities from time to time, for example, an electric version by Paragon in the 1960s, a weight-driven version by Thwaites and Reed in the 1970s, and a wrist watch by Meistersinger in 2015. For more information, see http://www.ablogtowatch.com/meistersinger-benjamin-franklin-watch/
My 3D printed version of the Franklin clock dial is very similar to other versions, except that I replaced the Roman numerals with conventional numerals. I designed it with raised lines and numerals so that I could color them with a sharpie after printing. The small dial is for the seconds hand.
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