Show roller boat a failure fo toronto oct 21 the trial trip of the knapp roller boat baa has demonstrated that new marine mo monstrosity tty IP Is a failure the barrel shaped affair was towed out a short distance from the wharf and the entities started the outer cylinder begau bebau revolving and the inner platform tilte 1 op up and down eo so that the gera bad difficulty in keeping on their feet the outer plates of tho the cylinder began to warp and three of the paddle blades were broken off the greatest speed was about six miles an hour |