The Technical World Magazine, Volume 10

acres American appear become building built called carried cause cells cent close coal color complete concrete construction cost course distance eggs electric engineers fact falls feet fire five forest four give glass ground growing half hand heat hold hole hour hundred important inches increase interest known land length less light look machine material means method miles natural operation pass piece pipe plant possible pounds practically present pumps railroad recently result river road rock ship side speed steel supply surface taken tests thing thousand tion town trees turn United vessel weight whole wire wood