5 objects

- Sort by:
- Identifier
- Title
- Date
- Relevance
- PDF Checklist

Representation

1367

Foreign deformed bar private identification marks (probably obsolete after about july 14, 1932)

Representation

1368

Use American reinforcing steel patronize domestic industries

Representation

1369

Principal eastern manufacturers of American new-billet reinforcing steel Mill Marks

Representation

1370

Principal eastern manufacturers of American new-billet reinforcing steel Mill Marks

Representation

1371

What America loses when 1000 tons of staple foreign steel is imported

Filter by

Concrete Reinforcing Steel Institute Start Over

Object Type

Photographs (5)

Date

1930s (5)

subject