Pond Science Institute

General Engineering

Engineering other than SVP.



Model Product Image Item Name Price+
P0003488 Propositions of Astronomical Circles

Propositions of Astronomical Circles

Proposition I: The respective and relative motion of three gravitating bodies revolving together and about each other, is as four to three, or one...
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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...
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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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pdf13488 Dogmatism of Science (pdf)

Dogmatism of Science (pdf)

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

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pdf5592 Formation of Rotating (Vortex) Rings of Air & Liquids (pdf)

Formation of Rotating (Vortex) Rings of Air & Liquids (pdf)

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

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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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pdf14488 Newly Discovered Law of Physics (pdf)

Newly Discovered Law of Physics (pdf)

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

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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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