End mill, for drilling key wards

Made:
1900-1960
End mill (for drilling key wards)

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End mill (for drilling key wards)
Science Museum Group
© The Board of Trustees of the Science Museum

End mill (for drilling key wards)

Details

Category:
Locks & Fastenings
Object Number:
1971-62 Pt7
type:
end mill
credit:
Chubb & Son's Lock & Safe Co. Ltd.