Pond Science Institute

Electromagnetism

History, science and technology of Electro-Magnetism.



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P0011488 Action of Force is Spiro-Vortex

Action of Force is Spiro-Vortex

"Keely's latest discovery—that of the spiro-vortex action of currents of force—is so overwhelming in its simplicity of demonstration that it...
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pdf11488 Action of Force is Spiro-Vortex (pdf)

Action of Force is Spiro-Vortex (pdf)

"Keely's latest discovery—that of the spiro-vortex action of currents of force—is so overwhelming in its simplicity of demonstration that it...
$0.75

... more info

N010207 Gain-Compensating Circuit for NDE and Ultrasonics

Gain-Compensating Circuit for NDE and Ultrasonics

A high frequency time-gain compensation circuit was designed and built for a wide variety of applications in nondestructive evaluation and ultrasonic...
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pdf32488 Tesla Oscillator (pdf)

Tesla Oscillator (pdf)

Digital version of the hardcopy edition. eBook, pdf format. Viewable with Adobe Acrobat.
$0.75

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N0001896 All-Metal Low-Pass Dichroic Microwave Reflector

All-Metal Low-Pass Dichroic Microwave Reflector

A proposed all-metal low-pass dichroic microwave reflector. The reflector would be a moderately thick metal plate containing a periodic pattern of...
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N0261192 Improved Fourier Interference Spectrometer

Improved Fourier Interference Spectrometer

The novelty of the innovation lies in the new combination of elements defining a scanning Fourier interference spectrometer, and more specifically to...
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pdf1488 Keely and His Discoveries (pdf)

Keely and His Discoveries (pdf)

Digital version of the hardcopy edition. eBook, pdf format. Viewable with Adobe Acrobat.
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pdf12195 Snell Manuscript (pdf)

Snell Manuscript (pdf)

The Snell Manuscript contains the most comprehensive material from Keely yet located. According to Snell The Snell Manuscript was written from...
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pdf17488 Veil Withdrawn (pdf)

Veil Withdrawn (pdf)

Digital version of the hardcopy edition. eBook, pdf format. Viewable with Adobe Acrobat.
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N0071192 Interferometer Detects Acoustic Emissions in Composites

Interferometer Detects Acoustic Emissions in Composites

Acoustic emission in prestressed composite panels has been detected using embedded single mode optical fibers. Static loading of the composite matrix...
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