Lock-bit attachment for a drill
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Object numberHC.J.7.8
TitleLock-bit attachment for a drill
CreatorW. & H. (Manufacturer)
DescriptionMetal lock-bit attachment for a drill by W&H.
larger attachment stamped 'D.R.P.60956'
metal hand piece with two lock bit attachmenta (3 pieces altogether) stainless steel.
1st attachment stamped 'patented dec.5.76.jan.23.77.nov.2.80'
2nd attachment stamped 'patented nov.7.76.may20.34 nov.4.84june285'
Production periodNineteenth century, late
Object nameDrill, dental.
Object categoryDental
MaterialMetal
Dimensions
- Whole Length: 11.50 cm