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Scientific American, Vol. 101, No. 1 (July 1909) (1909)

leaf 18

An illustration from Scientific American, Vol. 101, No. 1 (July 1909), 1909, leaf 18
Scientific Americar* 2G July 3, 1909. … in place—apply the cement mor- tar-the wall and roof are com- HAMMERLESS plete. Local builders or your own men can erect it. No chance for mistakes. BENJAMIN AIR RIFLE 1 Hy-Rib plastered with cement means fireproof concrete construction at lowest cost. Ideal for The Gun That Shoots. Sidings, Walls,…

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