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  • Daniel McFarland Cook

    Daniel McFarland Cook
    (Possibly, the above sketch is a likeness of the man.)


    Daniel McFarland Cook
    (Possibly, the above image is of the man in old age.)

    Patent #119,825, entitled Improvement in Induction-Coils, was issued to Daniel McFarland Cook on October 10, 1871.

    Google Patent Page:

    Patent PDF Download:

    News Article: The McCook tribune. (McCook, Neb.) 1886-1936, September 09, 1886, Image 7 « Chronicling America « Library of Congress


    Note: It is important to note that patents of the time when considering the term "induction coil" has to mean "interrupter" or the implied usage of an interrupter circuit with the induction coil. Reference:
    Attached Files
    Last edited by vidbid; 12-02-2019, 07:15 PM. Reason: Included Note about Use of Interrupter in Induction Coil of the Period


  • #2
    Thank You! If you can find anything else please post it here ! There should be many more articles like in case of Figuera but probably many of those in paper format only in libraries.
    Daniel McFarland Cook is the key for almost all later overunity inventions plus antigravity crafts.


    • #3
      The Missing Element

      Originally posted by Turion
      Looks like somebody watched Rick's videos to be bringing this up at this time.

      I looked at McFarland's patent years ago, because it so resembles Leadskalnin's PMH, but had no doubt it was missing something. It's possible Rick has the answer. Only time, and replications, will tell.

      Yes, I started watching Rick's videos. I happened on them as I was studying Carlos Benitez and his patents #14,311, #17,811, and #121,561. It's clear to me that I needed to go back to the very beginning to get a better idea of what is really going on.



      • #4
        On Sharing

        Originally posted by boguslaw View Post
        Thank You! If you can find anything else please post it here ! There should be many more articles like in case of Figuera but probably many of those in paper format only in libraries.
        Daniel McFarland Cook is the key for almost all later overunity inventions plus antigravity crafts.
        I'm happy to share anything I find. If we pool our knowledge, we'll be able to increase our understanding. Trivium Reference



        • #5
          cross coils

          There's another thread on this somewhere. Coils remind me of the perpetual motion keeper by Leedskalnin, which that was in a book published even before Leedskalnin.
          Aaron Murakami

          Books & Videos
          RPX & MWO


          • #6

            Originally posted by Turion
            It's possible Rick has the answer. Only time, and replications, will tell.
            The thief who ripped off Bedini and is still selling low quality knock-offs of John's chargers. He's been taking other people's work and claiming it to be his own for years. He should be in jail.
            Aaron Murakami

            Books & Videos
            RPX & MWO


            • #7

              That's interesting.

              I found a couple of pages on Cook's device on the web:

              Daniel McFarland Cook's Electro-Magnetic Battery

              Building Cook's E-M Battery Pictures

              Though, I'm not really sure how they should be wired with an interrupter.



              • #8
                The Interrupter

                Image Source:
                Spark-gap radio transmitter circuit used by Guglielmo Marconi in his experiments with radio transmission around 1895. It consists of an induction coil B which causes sparks to jump across a spark gap E, creating oscillating electric currents in the wire monopole antenna which are radiated as radio waves. The vibrating interrupter contact on the coil V broke the primary current from the battery B 30-50 times per second, creating the high voltage output from the coil. The radio operator used the telegraph key M to turn the power to the transmitter on and off rapidly, producing different length pulses of radio waves, to spell out text messages in Morse code. The hot-wire ammeter G measured the RF power radiated; when not in use the switch was closed to cut it out of the circuit. Marconi experimented with early radio links at the Villa in Italy Griffone wireless telegraphy Salvan (Valais) in the Swiss Alps in the summer of 1895.
                I thought the above was interesting.

                So, Cook somehow had something like two of these things feeding each other.
                Last edited by vidbid; 11-04-2016, 12:23 AM. Reason: Image Source



                • #9
                  Patent #119,825

                  Google Patent Page:

                  Patent PDF Download:

                  To all whom it may concern:
                  Be it known that I, DANIEL McFARLAND COOK,
                  of Mansfield, in the county of Richland and State
                  of Ohio, have invented an Electro-Magnetic Battery,
                  of which the following is a specification:

                  My invention relates to the combination of two
                  or more simple or compound helices and iron
                  cores or magnets in such a manner as to produce
                  a constant electric current without the aid of a
                  galvanic battery.

                  Figure 1 (above) represents the different parts of a
                  compound helix and iron core.

                  Fig. 2 (above) is a perspective view of my invention.

                  In carrying out my invention I do not confine
                  myself to any particular mode of constructing a
                  helix or helices, or to any particular size of wire,
                  observing only that the quantity of wire in the
                  several helices is sufficient to produce the result,
                  using less or more wire in the helices to suit the
                  purpose for which they are designed; also using
                  such material for insulating the helices as will
                  secure a proper action.

                  I prefer, however, in common, to use the same
                  size of wire in the construction of either simple
                  or compound helices.

                  In the use of the simple helices for convenience,
                  and to favor the insulation in the resistance to
                  obtain a sufficient tension and quantity of current
                  for action, it is desirable to use a long iron core, A,

                  Fig. 1, say two, three, or even six feet in length,
                  and two, three, or more inches in diameter;
                  also a large copper wire of good conductive
                  quality, the wire being well insulated with
                  silk, shellac, or paraffin only, the latter being
                  objectionable as it is liable to be melted by the
                  heating of the helix while in action.

                  The iron core A may be a solid bar or a bundle of iron
                  wire, the latter giving higher tension to the current
                  with equal length and fineness of wire. In any
                  event the wire may be fine or coarse; but I
                  prefer to use No. 16, or even heavier wire, as the
                  result is powerful in proportion to the size and
                  length of the wire. In the use of the compound
                  helices it is preferable, in some cases, to use a small
                  wire, say No. 30, or even less, for a primary helix,
                  and No. 16, or even larger, for a secondary helix.

                  By this combination the initial secondary current
                  of the primary helix being very small in quantity
                  in comparison to the terminal secondary current
                  of the secondary helix offers but little resistance
                  to the terminal secondary, hence a quicker action
                  is secured; or the primary helix may be made of
                  uninsulated wire coiled into a solid helix,
                  being insulated only between the coils
                  , in which
                  case there is but little or no opposing initial
                  secondary current.

                  Helices alone with large quantities of wire will
                  produce similar results. A ribbon spiral may be
                  substituted for the secondary helix, say of three,
                  six, twelve, or twenty-four inches in width and
                  of any convenient length, but always of sufficient
                  length to raise the tension of its terminal current
                  to a degree necessary to reproduce itself by its
                  action on the primary helix.

                  In the use of compound helices it is important
                  that the secondary coil should be wound on
                  in the same direction as the primary coil, and
                  that the secondary poles or wires should be
                  connected to the opposite poles of the primary
                  coil B

                  The action will then be as follows:

                  The terminal secondary current of the secondary
                  helix C will circulate through the opposite primary
                  coil B, while at the same instant a terminal secondary

                  current from the primary helix B will be developed

                  and circulate through the opposite secondary helix C,
                  both currents flowing in the same direction in
                  the opposite helices B (and) C, and produce
                  a combined magnetic action upon the iron
                  bar A in the center

                  (1. See my post at )

                  (2. How many iron bars are being used in Cook's device. One or Two?)

                  the opposing initial secondary currents of the
                  two helices B (and) C being over-powered do not
                  manifest themselves in the main circuit D of
                  the battery
                  , there being eight distinct
                  currents developed in the action of one entire
                  circuit of the two pairs of helices, two terminal
                  and two initial secondary currents to each
                  pair of helices, the four initial secondaries
                  constantly opposing the circulation of the four
                  terminal secondary currents; but the initial
                  secondaries being of much lower tension and less in
                  quantity than the terminal secondary are consumed
                  or taken up by the terminal, leaving a sufficient
                  surplus terminal to overcome the resistance
                  of the primary wire and charge the bar A to
                  a degree necessary to reproduce itself in
                  an opposite secondary coil.

                  By this means a constant current is kept up
                  in the several helices. These coils may be
                  composed of from five hundred to one thousand
                  feet or more primary coil, and less or more
                  secondary coil; in any event the more coil
                  and the better the insulation the more powerful
                  the result. In the use of simple helices, or
                  two coils only, any size of wire may be used, only
                  so that the insulation is effectual and the quantity
                  of the wires is sufficient.

                  The longer and larger the wire or coil
                  the more powerful the result, one thousand
                  or more feet being preferable. The poles of
                  the two helices being connected the action
                  is the same as in the compound helices, there
                  being but four currents developed, two initial
                  and two terminal currents, the latter flowing
                  constantly in the same direction—-in effect there
                  being but one current in the same direction.

                  The mode of producing or starting the action in
                  the helices consists in the use of a steel or electro-
                  magnet, or a helix, around one of the helices, and
                  causing a secondary current in the enclosed helix
                  by means of a battery current in the outer one;
                  the action then in either the simple or compound
                  helices increases in quantity to the maximum
                  capacity of the wires to conduct with the existing
                  tension of the current.

                  If, now, the circuit is broken the current
                  instantly ceases, and can only be restored
                  by the same means that it was first produced;
                  hence to allow the use of the main circuit
                  for common purposes I introduce a rheostat
                  or a resistance of any kind into the circuit, so
                  that a small portion of the current only will flow
                  along the resistance, by which means the action
                  in the helices is feebly maintained when the main
                  circuit is broken, and instantly restored when it
                  is closed to its full force.

                  By this means the action becomes in effect
                  the same as the common battery currents,
                  and may be used for similar purposes.

                  For the purpose of preventing the heating
                  of the helices caused by the intensity of the
                  action, and to prevent circulation of the initial
                  secondary currents in the main circuit, a rheostat
                  of any convenient form may be made to constitute
                  a part of the main circuit D.

                  The alternate changes of the iron cores or
                  magnets may be used for producing electro-magnetic
                  motion, or motion to a wheel of any suitable device.

                  Having described my invention, what I claim
                  as new, and desire to secure by Letters Patent,

                  The combination of two or more simple or compound
                  helices, in the manner and for the purpose set forth.

                  DANIEL McFARLAND COOK.

                  A. J. MACK,
                  J. W. JENNER.
                  Last edited by vidbid; 11-05-2016, 12:18 PM. Reason: Text Correction



                  • #10

                    Originally posted by Turion
                    I noticed Rick didn't start his whole series of videos on running pulse motors on the 3 battery setup until after we spent YEARS talking about it here, and didn't show running an inverter until MONTHS after we disclosed it here. So I have no faith that he is legit. So let's say I'm not buying what he's selling until I see it on my bench. Whether he has the missing puzzle pieces I can't say, but I DO believe that coils can definitely be used in EXACTLY the same way batteries can be, and you can run off the potential differences. It's what we have been working on for a while now.

                    I'm all for seeing where this goes.

                    For Rick, give him enough time and he will have invented all of this.
                    Aaron Murakami

                    Books & Videos
                    RPX & MWO


                    • #11
                      Simple Circuit Anyone Can Build

                      I thought I would make a few modifications myself, particularly, to the following old-time schematic.

                      has been morphed into

                      It would be interesting to see what happens.



                      • #12
                        Condenser Across the Interrupter

                        Here's another good reason for having a cap across the interrupter... more power.

                        That's cool.



                        • #13
                          Daniel McFarland Cook

                          I think most of this is already here, but:

                          Cook's Perpetual Electrical Generator - A & P Electronic Media
                          Aaron Murakami

                          Books & Videos
                          RPX & MWO


                          • #14

                            Conceptual Purposes Only.



                            • #15
                              Secondary Output Being Fed Into Opposite Primary

                              Secondary Output Being Fed Into Opposite Primary

                              Concept based on Cook's Work