THE AMPLIFIER INSTITUTE

4 July 2011 Updated
The Design of Active Crossovers
OUT NOW

5 Mar 2015 Updated:
Electronics World Article Index

7 Jan 2016 UPDATED
The Wireless World Archive
Rumble filters added

16 June 2016 NEW
AES Powerpoint presentations

21 June 2016 Updated:
My articles etc


THE MUSEUM OF RETROTECH

24 June 2017 Updated:
Monowheels

13 July 2009 Updated
Ether engines

15 July 2017 Updated
Thermal Expansion Engines

21 July 2017 Updated
The Liquid Engines

17 Aug 2017 Updated:
Mercury engines

4 Sept 2017 Updated:
The Hewitt Engine

21 Sept 2017 Updated:
Rotary Steam Engines


UNUSUAL RAILWAY LOCOMOTIVES

2 June 2017 Updated
The Larmanjat System

7 June 2017 NEW
The Roadrail System

14 June 2017 Updated
Pearson's 9-footer

17 June 2017 NEW
The Rorailer Concept

15 Aug 2017 Updated
Strange chimneys

6 Sept 2017 Updated
The Nichols boiler