Pond Science Institute

Sound & Vibration

Science and application of sound and vibration technologies. Noise pollution, music engineering, etc.



Model Product Image Item Name Price+
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

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pdf30488 Aerial Navigation (pdf)

Aerial Navigation (pdf)

"PRIESTLEY, who believed that all discoveries are made by chance, compares the  student of nature to a hound wildly running after and here and...
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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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pdf31488 Latent Force and Theory of Vibratory Lift for Airships (pdf)

Latent Force and Theory of Vibratory Lift for Airships (pdf)

Digital version of the hardcopy edition. eBook, pdf format. Viewable with Adobe Acrobat.
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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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P0031488 Latent Force and Theory of Vibratory Lift for Airships

Latent Force and Theory of Vibratory Lift for Airships

Did Keely discover and use atomic power? "All molecular masses of metal represent in their interstitial molecular spaces incalculable amounts of...
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pdf2001 Atlin - Knowing I AM (pdf)

Atlin - Knowing I AM (pdf)

A few years ago [1995] a project was undertaken to create a machine to generate mechanical power that would produce useable electricity and drive...
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