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Scientific American, Vol. 84, No. 20 (1901) (1901)
leaf 3
NEY. mences. This mold is constructed as shown in Fig. 2. extended up through the cap. BY RALPH ¢. DAVJSON. The increased use of concrete for building purposes en 0- distributed as shown in Fig. 1. A NEW ICE-CONVEYING APPARATUS has taken rapid strides within the last five or six thoroughly tamped… … but the fire-resisting qualities of comcrete the ice-particles into the pipe. © 1901 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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