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Franklin's electrostatic machine on display at the Franklin Institute Its key components are a glass globe which turned on an axis via a crank , a cloth pad in contact with the spinning globe, a set of metal needles to conduct away the charge developed on the globe by its friction with the pad, and a Leyden jar – a high-voltage capacitor ...
Camera model: DSC-H55: Exposure time: 1/4 sec (0.25) F-number: f/3.5: ISO speed rating: 800: Date and time of data generation: 11:06, 20 October 2011: Lens focal length: 4.25 mm: Horizontal resolution: 72 dpi: Vertical resolution: 72 dpi: Software used: Picasa: File change date and time: 11:06, 20 October 2011: Y and C positioning: Co-sited ...
Experiments and Observations on Electricity is a treatise by Benjamin Franklin based on letters that he wrote to Peter Collinson, who communicated Franklin's ideas to the Royal Society. [ 1 ] [ 2 ] The letters were published as a book in England in 1751, and over the following years the book was reissued in four more editions containing ...
An electrostatic generator, or electrostatic machine, is an electrical generator that produces static electricity, or electricity at high voltage and low continuous current. The knowledge of static electricity dates back to the earliest civilizations, but for millennia it remained merely an interesting and mystifying phenomenon , without a ...
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The name of Gordon was not always mentioned, though both inventions are fully described by him in his Versuch einer Erklarung der Electricitat (Erfurt 1745). Benjamin Franklin , who is usually credited with the latter invention, simply adopted the "German chimes" (described by Watson in his famous Sequel , 1746) to serve as an electrical ...
Founders Online is a research website providing free access to a digitized collection representing the papers of seven of the most influential figures in the founding of the United States.
In the 1740s and 1750s, the first electrostatic motors were developed by Andrew Gordon and by Benjamin Franklin. Today the electrostatic motor finds frequent use in micro-mechanical ( MEMS ) systems where their drive voltages are below 100 volts, and where moving, charged plates are far easier to fabricate than coils and iron cores.