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   Odometer

   Benjamin Franklin invented a simple odometer when he was going on trips in carriages.
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   Benjamin Franklin

   He invented the lightning rod, bifocals, the Franklin stove, a carriage odometer, and a musical instrument. ... When denied the chance to write a letter to the paper for publication, Franklin invented the pseudonym of "Mrs. Silence Dogood," who was ostensibly a middle-aged widow.
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   1755 in science

   While serving as Postmaster General of the northern American colonies, Benjamin Franklin invents a simple odometer, attached to his horse carriage, to help analyze the best routes for delivering the mail.
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   List of Chinese inventions

   It also does not include technologies which were originally invented elsewhere but were later invented separately by the Chinese in their own right, such as the chain pump and odometer. ... Western writers from Marco Polo (1254–1324), to Niccolò Da Conti (1395–1469), to Benjamin Franklin (1706–1790) commented on bulkhead partitions, which they viewed as an original aspect of Chinese shipbuilding, as Western shipbuilding did not incorporate this hull arrangement until the early 19th century.
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   Timeline of historic inventions

   200s BC: Odometer: Archimedes? ... 1784: Bifocals: Benjamin Franklin
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   List of Pennsylvania firsts

   Bifocal glasses (1784 by Benjamin Franklin) ... Odometer (Franklin)
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   List of inventors

   Benjamin Franklin, (1706-1790), USA — the pointed lightning rod conductor, bifocal glasses, the Franklin stove, the glass harmonica ... Also invented an automobile that featured a Flywheel, Brake, Gear Box, and Bearing.

Explore the following pages on Powerset:

• Odometer,
• Benjamin Franklin,
• 1755 in science,
• List of Chinese inventions,
• Timeline of historic inventions,
• List of Pennsylvania firsts,
• List of inventors