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Factory workers with stretcher machine, Rheola Works, Glynneath, 1981

Description

Factory workers with stretcher machine, aluminium factory.

Owner:
Roy Bowen
Creator:
J. Gittings
License information:
Item uploaded:
22/4/2020
Views:
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Comments (1)

The 300t Loewy stretcher was used for flattening treadplate after solution treatment in the nitrate salt bath. Stretching to 1-2% permanent set assisted the final precipitation ageing treatment carried out at about 175C in a Stordy ageing furnace.

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