Trussed Concrete Steel Company

• Hy-rib handbook
• Kahn system standards
• Modern school construction
• Specifications for Reinforced Concrete, Cement Plastering and Waterproofing
• Kahn pressed steel, joists and studs with hy-rib
• Kahn Rib Metal
• Kahn road book
• Kahn system illustrated
• Kahn system of reinforced concrete
• Reinforced concrete -
• The Kahn trussed bar
• Truscon precast floors