Pond Science Institute

Levitation & Gravity

Historical and current research and development of Gravity and Levitation as theoretical and applied science.



Model Product Image Item Name Price
P0029488 Newton of the Mind - The Propellor of Keely's Airship Described

Newton of the Mind - The Propellor of Keely's Airship Described

"More than twenty years ago, Keely, by seeming chance, discovered the unknown polar flow, and without giving any attention to research, on the line...
$2.50

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P0018488 Operation of the Vibratory Circuit

Operation of the Vibratory Circuit

"The working part of this device consists, first, of an outside ring carrying on its inside face nine pieces -- equidistant from each other ---...
$2.00

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P11007 Optic Dynamo-Generator

Optic Dynamo-Generator

Russell's clear and concise description of the syntropic multiplying force and the entropic dispersing force as relates to Free Energy and in...
$4.00

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N0030488 Orienting Acoustically Levitated Aspherical Objects

Orienting Acoustically Levitated Aspherical Objects

By suitable adjustments of the amplitudes and phases of the three acoustic fields in a three-axis acoustic levitator, the orientation of an...
$1.25

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B0011488 Pendulograph

Pendulograph

Rev. John Andrews. Excellent work describing the construction and function of an articulated pendulum and how it creates uniform complex motions when...
$8.95

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N0011488 Precision Fabrication of Electromagnetic-Levitation Coils

Precision Fabrication of Electromagnetic-Levitation Coils

The fabrication of levitation coils has traditionally been considered an art. A technique has been developed for fabricating electromagnetic...
$1.25

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N0004488 Producing Metallic Glasses with Acoustic Levitation

Producing Metallic Glasses with Acoustic Levitation

Very little contamination would occur in an acoustic levitation scheme under development for cooling molten metal. The scheme may allow new amorphous...
$1.35

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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...
$0.50

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pdf2488 Propositions of Geometry (pdf)

Propositions of Geometry (pdf)

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

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N0020488 Rotation Control in a Cylindrical Acoustic Levitator

Rotation Control in a Cylindrical Acoustic Levitator

The addition of a second acoustical transducer enables a single-mode, cylindrical acoustic levitator to rotate a levitated sample about the cylinder...
$1.25

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