| Description | 1. Index To Technical Sheets, dated 1976. February.
2. Index To Technical Sheets, duplicate, dated 1976. February.
3. Gridweld Gabions (GKN Gridweld Engineering trade literature.
4. Conobar Limited – Community Strips – Series 1.
5. GKN Reinforcements Limited Detail Sheet, Alma Street, Smethwick, dated 1977.
6. TorBar News trade literature, dated 1978.
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