Show IMPERISHABLE PAVEMENT A new paving material devised by a French engineer consists of o the th Iron lathes lt J and similar ma machines machines chines which are mixed with cement cemen waking making a combination which w is almost it Indestructible In making paving blocks according to this process a mold wold woldIs is filled with these Iron shavings and the interstices filled with cement grout sufficiently fluId n Jq q penetrate p the en eq entire tire Ure mass The blocks thus formed are said to possess great strength and resistance to fo abrasion and also what seems less credible elaSticity under blows or Jar Jarring Jarring jarring ring Test Tests made of oZ o such q h blocks are afe said to have shown a resistance to Jo o compression compre slon of ot about pounds a square inch and at a B a tensile strength four tour times that of ot neat ne t cement Chi Chicago hJ cago cage Journal |