Doyen's drill bit by the Collin house - Drill bit - Early XXth century

Condition: Used

- Drill bit -

Doyen's drill bit by Collin - Early XXth century

Also called crankshaft

Made of chromed steel

The signature COLLIN and FRANCE are engraved on the instrument.

There is no interchangeable burr which allowed to perforate the skull.

Length 26cm

This model appears in the 1925 Collin catalog

215,00 €

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