Twist bit
Robert Sorby
Category
Metalwork
Date
Unknown
Materials
Steel
Measurements
197 mm (Length)9.5 mm (Diameter)
Place of origin
Sheffield
Order this imageCollection
Coggeshall Grange Barn, Essex
NT 51736
Summary
Jennings Pattern screw bit diameter 9.5mm
Provenance
The gift of Miss Janet Saunders, 2003.
Marks and inscriptions
Robert Sorby Sheffield
Makers and roles
Robert Sorby, manufacturer