Links
Teleramics.com
A Quality site dedicated to the UK Telegraph and Power Transmission Insulator scene with a definite railway slant
Old Maps
Ordnance Survey, OS, Bartholomews, Johnstons maps
British Railway Books
Secondhand railway books, Ordnance Survey maps, Working timetables, Railway Videos, Railwayana
Tube Distinction
Anthony Matthews revamped website, a must for anybody interested in valve amplifiers.
Mikes's Electric Stuff
Mike's detailed site on all types of mad electrical things
Quecksilberdampfgleichrichter
Another very interesting site for Mercury Arc Rectifiers. Note the site name is Mercury Arc Rectifier in German
H T Schmidt Homepage
Another very interesting site for Mercury Arc Rectifiers from H T Schmidt.