hardness gauge

Maker
Ridsdale Dietert
Description
Small dial in a grey metal casing in black box with blue lining. There is a ball socket at the base.
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Object Detail


Department
Signature & date
printing:dial:"GREEN/ MADE IN ENGLAND/ RIDSDALE DIETERT/ "B" SCALE/ HARDNESS"
Associated person
Measurement type, part and reading
Dimensions:0 - Whole:H 11cm (H 4 5/16")
Dimensions:0 - Whole:H 8cm (H 3 1/8")
Dimensions:0 - Whole:H 4cm (H 1 9/16")
Accession number
2002-046-003

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