. Bulletin of the Department of Agriculture. Agriculture; Agriculture. Bui. 801, U. S. Dept. of Agriculture. Plate Fig. I.—Automatic Fire door made of Corrugated Steel on a Frame OF Angle Iron. This door is also suitable for the regular exterior Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Dept. of Agriculture. [Washington, D. C. ?] : The Dept. : Supt. of Docs. , G. P. O.

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Keywords: ., bookauth, bookcentury1900, bookdecade1910, booksubjectagriculture