1915 Helps for roofers and sheet metal workers (1915)
L.D. Berger · L.D. Berger · leaf 19
Zinc Gauge can be maintained only approximately. L. a BERQER, PHILADELPHIA. PA. Corrugated Sheet Iron PArNTED OR GALVANIZED. We desire to call your attention to the following illustrations«f Corrugated Sheet Iron for Roofs, Sides, Ceilings and Partition*lor fire-proof buildings. … Fig. irt Corrugations one ana one-quarter inches from centre to^ntre, and three-eighths of an inch deep. This is used mosdy(or Ceilings, Sidings and Partitions. • Sheets when corrugatedmeasure 25 inches wide, and^will cover 24 inches from centre tocentre of outside corrugations.
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