Following repeated requests, this page is provided to give the details of successive upgrades and alterations to the "Practical Guide to Free-Energy Devices" eBook. The information on this page is not important in any way.
24th January 2020 (Ver.34.8)
Chapter 3 page 18 an earth-free version of Barbosa and Leal’s system.
20th January 2020 (Ver.34.7)
Chapter 6 page 68 the addition of the self-powered South African generator which can charge seven batteries simultaneously.
17th September 2019 (Ver.34.6)
Chapter 2 page 66 some additional information on operating the Rotoverter system..
25th August 2019 (Ver.34.5)
Chapter 12 page 52 a 555 chip oscillator which does not change frequency when the Mark-Space ratio is changed.
24th June 2019 (Ver.34.5)
Chapter 5 page 44 and Chapter 6 page 65 – Avoiding surface charge on batteries being charged using the Joule Thief.
23rd April 2019 (Ver.34.4)
Chapter 2 page 17 – Upgraded circuitry for the Thomas Buie’s power generator.
17th March 2019 (Ver.34.3)
Chapter 2 page 30 – Addition information on Thomas Buie’s power generator.
12th February 2019 (Ver.34.2)
Chapter 2 page 17 – The addition of information on Thomas Buie’s power generator.
6th January 2019 (Ver.34.1)
Chapter 3 page 178 – The addition of a paper from I. M. Solovey on Tesla Coil power gains
24th December 2018 (Ver.34.0)
Chapter 19 – The correction of the dual-Hall-effect sensor wiring error (my apologies for the error).
6th December 2018 (Ver.33.9)
Chapter 8 – The addition of information on Tesla’s motionless one-way valve for fluids.
1st December 2018 (Ver.33.8)
Chapter 4 – The addition of some more information on the Donnie Watts generator construction, showing automation.
4th November 2018 (Ver.33.71)
Chapter 4 – The addition of some more information on the Donnie Watts generator construction, omitting the special coupling.
15th October 2018 (Ver.33.7)
Chapter 4 – Some additional information on building the Donny Watts house-powering generator.
26th September 2018 (Ver.33.6)
Chapter 19 - The 150-watt table-top generator goes solid state with essentially unlimited output power.
1st September 2018 (Ver.33.5)
Chapter 19 - The latest updates to the 150-watt table-top generator, lowering the cost, the weight and the construction time while raising the power.
19th August 2018 (Ver.33.4) The addition of chapter 23
7th August 2018 (Ver.33.3) Minor adaptions caused by the death of Ed Holdgate of Florida..