Tesla – friction machines

 

Electrostatic machines are electromechanical devices that produce “static electricity”, or electricity at continuous (DC) high voltage. They were fundamental in the early studies about electricity, started in the XVII century, in the form of “friction machines”, and their development culminated at the end of the XIX century with the development of powerful “influence machines”. Today, some specialized uses for them continue to exist, but they are mostly seen as demonstration devices in physics laboratories, with much of their history forgotten.

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Tesla coil is an electrical resonant transformer circuit designed by inventor Nikola Tesla in 1891.

https://wiki2.org/en/Tesla_coil

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To investigate the electrical realm of high-frequency and high-voltage, Tesla invented an apparatus that pushed the limits of electrical understanding. None of the circuit’s typical components were unknown at the time, but its design and operation together achieved unique results—not the least because of Tesla’s masterful refinements in construction of key elements, most particularly of a special transformer, or coil, which is at the heart of the circuit’s performance.

Such a device first appeared in Tesla’s US patent No. 454,622 (1891), for use in new, more efficient lighting systems. In its basic form, the circuit calls for a power supply, a large capacitor, the coil (transformer) itself, and adjustable spark-gap electrodes. Why these components, and what do they accomplish?

https://www.pbs.org/tesla/ins/lab_tescoil.html

Image result for tesla motors

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These lost Nikola Tesla inventions and papers were never released until now. Today, we take a look at these lost Nikola Tesla technologies and inventions. One of the greatest inventors to have ever lived was that of a Serbian Croatian inventor known as Nikola Tesla, of whom developed the framework for modern day electrical engineering during his time with breakthroughs in understanding the electromagnetic spectrum and the formation of alternating current as compared to direct current of which was the prominent use of electricity during his time. Oddly enough, looking back at his over 300 patents, strange devices appear to take the forefront that Nikola Tesla had invented during his time that people are only now taking notice of in the modern day.

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Complete apparatus for the Seibt experiment [18]. A variation using a large open primary coil [17]. A curious experiment using a Tesla coil and a long resonator coil, where corona to two wires demonstrates standing waves.

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Apparatus for Tesla experiments, with an usual Tesla transformer, and with an oil-insulated transformer [18]. A large Leyden jar capacitor is connected in series with a spark gap and the primary of the transformer. The capacitor is charged by an induction coil, or a powerful influence machine. The other devices shown are for demonstrations of the effects of high-frequency high voltage. Similar apparatus with the usual air-insulated transformer , and an experiment to demonstrate the high impedance of a wire loop, using a Tesla coil with the primary coil inside the secondary .

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https://www.coe.ufrj.br/~acmq/electrostatic.html

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Wimshurst Machine

The Englishman, James Wimshurst (1832-1903),  spent most of his professional career working with the shipping industry as a surveyor and evaluator of ships, serving as the consulting engineer for the British Board of Trade.. At the same time he had a parallel career in science. We know him for his work with electrostatic generators in the early 1880s, when he improved Voss’ electrostatic generator.

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