Scientific American, 449 December ii, 1909. … A Modern Factory Building with WROUGHT STEEL " DETROIT-FENESTRA " WINDOWS We are now ready to place on the market TO ARCHITECTS AND ENGINEERS four complete types of standard sash in Wrought Steel "Detroit Fenestra" viz.: Type "A'* in 21 sizes and degrees of ventilation, 10n x 16n glass. Type "C" in…
Chicago · Ore · Feet · Tons · Grain · Railroad · Steel · Scientific American · Freight · Great Britain · Cubic feet · Middle west · Kahn system · Gas engines · Iron ore · American december · Lake superior · Lake michigan
Internet Archive · Public domain (published before 1931). Free to use for anything.
