http://www.blackgates.co.uk             Suppliers of model engineering materials, tools, drawings and castings.
http://sevenandaquarter.org             Website of the 71/4″ gauge society.
http://phoenixlocos.com                    Manufacturer of Battery-electric locomotives and rolling stock  in 5″ and 71/4″ gauge.
They also supply DC motor speed controllers and AC drive systems for battery locos.
http://mikes-models.com                   Interesting web site of model engineer based in Devon.
Solo & Jones Design Website Design Huddersfield