7 public-domain matches

Trussed Concrete Steel Company

Cover of Hy-rib handbook

Hy-rib handbook

Trussed Concrete Steel Company

Cover of Kahn system standards

Kahn system standards

Truscon Steel Company

Cover of Kahn system standards

Kahn system standards

Trussed Concrete Steel Company

Cover of Modern school construction

Modern school construction

Trussed Concrete Steel Company

Cover of Trussed Concrete Steel - Hy-Rib 1914

Trussed Concrete Steel - Hy-Rib 1914

Trussed Concrete Steel Company

International Library of Technology

International Library of Technology

International Textbook Company

Final Report - The Columbia River Interstate Bridge

Final Report - The Columbia River Interstate Bridge

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