Keywords: DandS.jpg D S socket - Dormond Smith Used by the BBC for technical supplies for many years The line pin of plug is a fuse which unscrews These had a habit of coming in unscrewed and remaining in the socket Modified from http //en wikipedia org/wiki/Image DS_PICT6947 jpg to show a ruler with SI units as required by the Wikipedia style guide http //ang wikipedia org/wiki/Wikipedia Manual_of_Style Scientific_style en wikipedia BPK 2007-01-16 Brownbrummig wikipedia en Brownbrummig original upload log page en wikipedia DandS jpg 2007-01-16 17 56 Brownbrummig 3137×1475× 210497 bytes <nowiki>D S socket - Dormond Smith Used by the BBC for technical supplies for many years The line pin of plug is a fuse which unscrews These had a habit of coming in unscrewed and remaining in the socket Modified from http //en wikipedia org/wiki/Image DS_PI</nowiki> Electrical standards Mains sockets |