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British Waterways - Weaver Navigation Files > Box 31

BWWN/31/6

"Specifications B.S.S. 1923"

Description

Standards specifications: "Rolled Steel Sections for Structural Purposes" "BSS for Face Plate Controllers & Resistances for use herewith for Electric Motors" "BSS for Contactor Startors for Electric Motors" "BSS for Slate Slabs for Electrical Purposes"

Date

1923

Reference code

BWWN/31/6

Extent & medium

booklets

Comments

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