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

19 Nov 2017 Updated
THE NEW BOOK
Electronics for Vinyl



THE MUSEUM OF RETROTECH

19 Nov 2017 Updated:
Square-Piston Engines

28 Nov 2017 Updated
Gearwheels from Hell

10 Dec 2017 Updated:
Two-wheel cars

11 Dec 2017 Updated
Pneumatic networking

12 Dec 2017 NEW
Pneumatic clock networks


UNUSUAL RAILWAY LOCOMOTIVES

27 Sept 2017 Updated
The Nichols boiler

7 Oct 2017 Updated
Strange chimneys

14 Oct 2017 NEW
The Druitt Halpin boiler

22 Nov 2017 Updated
Propellor Locomotives

7 Dec 2017 Updated
Davies guidewheel locomotives

8 Dec 2017 Updated
Compressed-Air Locomotives

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