Sherardized screws showing even cating on thread. Includes 4 regular screws and three screw eyes

PART OF:: 19 pieces illustrating the sherardising dry galvanising process

Sherardized screws showing even cating on thread. Includes 4 regular screws and three screw eyes.

Details

Category:: Metallurgy

Object Number:: 1913-73 Pt6

type:: screws

credit:: Mr. P.L. Cowper-Coles.

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Sherardized screws showing even cating on thread. Includes 4 regular screws and three screw eyes

Details

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