T-Rib chanelath : a material performing the functions of form and reinforcement ... (1918)
North Western Expanded Metal Co. · North Western Expanded Metal Co. · leaf 30
Detail of Flat T-Rib Chanelath Roof W&tcfrproo 5tcs/ 3as/~> … T-Ri t>Chone/a ?h jioLA -P. Qj o IP P. Pi o lO _Q p.. 0 LP. P P. _Q Detail of Sawtooth T-Rib Chanelath Roof Page 2 7