Tangent wheels and spiral gearing have only what is termed line contact between the bearing surfaces, and as the action between these surfaces is a sliding one, such wheels are subject to rapid wear, and are incapable of sustaining much pressure, or transmitting a great amount of power, except the surfaces be hard and lubrication constant. In machinery the use of tangent wheels is mainly to secure a rapid change of speed, usually to diminish motion and increase force.
Director
"Yes, but you see they may be forged, you see. They may shoot me, you see, but a traitor, you see, no, then I would knock you down, you see....""Yes, he had. That man is far cleverer than you. You are a child to him in cunning with all your boasted brains. If you kill me tonight you commit a cold-blooded murder. But you are not going to do anything of the kind."The presiding official was decidedly taken aback. He looked at Prout, who made no sign. He was not so prejudiced as most of the people there.Almost immediately the seaplane began to get off the water.But they were always German officers and no others who talked about francs-tireurs, and at Vis, Lige, Dinant, Bilsen, and particularly at Louvain, they constantly pressed me and tried to make me promise that I should write to De Tijd about francs-tireurs and justify the devastations. These stories emanated from the officers and permeated the rank and file; and the men grew fearfully angry with the Belgians, whom they cursed and abused. It also made the soldiers terribly afraid of francs-tireurs, and I noticed many a time that some loud sound from a falling wall, for example, made a whole troop of soldiers jump up, lay hold of their rifles, and hide themselves in an absolute "blue funk." The mere noise made them curse and rage and talk of nothing but burning houses.