- A BONNIKSEN 100MPH SPEEDOMETER BY ROTHERHAMS OF COVENTRY, PATENTED 1912,
Bonhams | 16-Oct-2016 | The Autumn Stafford Sale Important Collectors Motorcycles | Venue : Stafford, Staffordshire County Showground
Category : Automobilia
Lot No. : 52
No longer available - Sold or withdrawn from sale
 

 

nickelled dial, with time and trip subsidiary dials and milometer, 7.5cm diameter, nickelled rim and case numbered B5620, with straight drive.