THE AMPLIFIER INSTITUTE

4 July 2011 Updated
The Design of Active Crossovers
OUT NOW

5 Mar 2015 Updated:
Electronics World Article Index

16 June 2016 NEW
AES Powerpoint presentations

19 Nov 2017 Updated
THE NEW BOOK
Electronics for Vinyl

15 Jan 2018 UPDATED
Balanced Line Technology


THE MUSEUM OF RETROTECH

11 Apr 2018 Updated:
Carbon Disulphide Engines

17 Apr 2018 Updated:
Rotary Steam Engines

18 Apr 2018 NEW
Refrigeration Networks

20 Apr 2018 NEW:
Refrigerating with Air

21 Apr 2018 Updated:
N-wheeled cars

22 Apr 2018 Updated
The Paris compressed air network


UNUSUAL RAILWAY LOCOMOTIVES

28 Dec 2017 Updated
The Fink Locomotives

5 Jan 2018 Updated
Compressed-Air Locomotives

10 Jan 2018 Updated
French Purrey boiler locos

28 Feb 2018 Updated
Russian Reforms

19 Mar 2018 Updated
Strange chimneys

20 Mar 2018 Updated
The Hurd-Simpson locomotive