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The roadometer was a 19th-century device like an odometer for measuring mileage, mounted on a wagon wheel. One such device was invented in 1847 by William Clayton , Orson Pratt , and Appleton Harmon, pioneers of the Church of Jesus Christ of Latter-day Saints .
The Roadometer used two gears and was an early example of an odometer with pascaline-style gears in actual use. [12] In 1895, Curtis Hussey Veeder invented the Cyclometer. [13] [14] The Cyclometer was a mechanical device that counted the number of rotations of a bicycle wheel. [15]
Roadometer may mean: Roadometer (odometer) , an early device like an odometer for measuring mileage, towed by a wagon, invented in 1847, by William Clayton , a Mormon pioneer. A type of Drivotrainer , one of these was called a Roadometer .
When you think of a vending machine, things like snacks, sodas, or even pharmaceutical supplies may come to mind. But you might be surprised to know that the first ever vending machine actually ...
One of his inventions was a tank, which you can see on the bottom right. The armored tank would go ahead of foot soldiers and had holes that could be used to shoot projectiles.
Dates are often approximate and change as more research is done, reported and seen. Older examples of any given technology are often found. The locations listed are for the site where the earliest solid evidence has been found, but especially for the earlier inventions, there is little certainty how close that may be to where the invention took ...
From the first Apple computer to the COVID-19 vaccine, here are the most revolutionary inventions that were born in the U.S.A. in the past half-century.
Obsolete technology Replacement Still used for Bathing machine: No longer required due to changing social standards of morality Hourglass: Clock: Tasks where a fixed amount of time can be measured with a low-tech solution: Exposure time tracker in saunas (where electronics might be damaged by the heat or ultraviolet light); retro kitchen timers, board games, other short-term timers.