bit; Forstner pattern

Object detail

Department

Object

Maker

Ridgway, William

Production place

Sheffield/Yorkshire/England

Signature & date

stamping:side:"POWER/ Wm RIDGWAY/ SHEFFIELD"
trademark:[a man with a hammer and the word "Power"]

Measurement type, part and reading

Dimensions:0 - Whole:L 15cm (L 5 7/8")

Accession number

1996-035-115

patternmaking Ironfounding Industry

Tool accessory Screw Tool

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