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

7 Feb 2017 Updated:
Oddly powered clocks

12 Feb 2017 Updated:
Propellor-driven cars

13 Feb 2017 Updated:
Unusual tricycles

17 Feb 2017 Updated
Unusual Traction Engines

19 Feb 2017 Updated
The Liquid Engines

23 Feb 2017 Updated:
Voicepipes & Speaking Tubes


UNUSUAL RAILWAY LOCOMOTIVES

16 Nov 2016 Updated
The Strong Duplex Boiler

2 Dec 2016 Updated
N & W steam-turbine

19 Jan 2017 Updated
French vertical boilers

31 Jan 2017 Updated
British vertical boilers

4 Feb 2017 Updated
Pearson's 9-footer

6 Feb 2017 Updated
The Centennial monorail

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