Normal drill for drilling the frame plates of watches
- Made:
- Manchester
- maker:
- Richard Roberts
Normal drill for drilling the frame plates of watches.
This drill was described in its maker's entry in the catalogue of the Great Exhibition, 1851, as 'Patent normal drill, for drilling all the pivot, screw, and steady pin-holes in the frame-plates of watches, chronometers, and small clocks. A boy may drill with this machine any number of watch frame-plates, so precisely alike, that the parts that fit one of the frames will fit all or any of the others.'
Details
- Category:
- Hand and Machine Tools
- Object Number:
- 1860-45/1
- Materials:
- wrought iron, cast iron, steel (metal), brass (copper, zinc alloy), gunmetal and bronze (copper, tin alloy)
- type:
- drill
- credit:
- Roberts, R.
