The attached picture is a Model H converted to all chain drive and internal expanding brakes by my Grandfather George Dalby c1919. This was one of many Ex WD bikes he converted. Is there one still out there me and my brother both Ex BSA road tester would love to know. Lou Dalby
Update 07/11/2007.
Peter Cornelius in New Zealand has told me that the above is high lighted in the " Motor Cycle " magazine February 8th 1923 the coversion cost £12-10-00, I now only need to find a copy !!.
Update 19/12/2007
Thanks to the Beaulieu Motor Museum I now have a copy of the above. Many thanks to all that have taken an interest.
