. . as clay at the bottom, and on both sides of the , the width and depth of the river were moderate. Third-ly, it was the point where the Sarnia branch of the Grand TrunkEailway and the Chicago & Grand Trunk come to oppositesides of the river. I remembered Mr. Peter Barlows smallertunnel under the Thames, constructed for ^£20,000—throughclay—34 years ago, and the same principle of the shield hadbeen employed in America, and was again being appliedunder the Thames, for a tunnel ten feet in diameter. The GrandTrunk board


. . as clay at the bottom, and on both sides of the , the width and depth of the river were moderate. Third-ly, it was the point where the Sarnia branch of the Grand TrunkEailway and the Chicago & Grand Trunk come to oppositesides of the river. I remembered Mr. Peter Barlows smallertunnel under the Thames, constructed for ^£20,000—throughclay—34 years ago, and the same principle of the shield hadbeen employed in America, and was again being appliedunder the Thames, for a tunnel ten feet in diameter. The GrandTrunk board approved of the construction of a tunnel in thislocality, and I suggested to Sir Joseph Hickson the employmentof Mr. Hobson as the engineer. Sir Henry then went into a history of the tunnel difficulties,and told how hard the work had been, ending by proposing thehealth of Mr. Hobson. The applause with which this toast wasreceived made the rafters ring. Mr. Hobson modestly responded, and called upon , his assistant, who also said a few SECTIOXAL VIEW FULL LENGTH OF TUXXEL.


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Keywords: ., bookcentury1800, bookdecade1890, bookidrailwaysothe, bookyear1894